{"id":5524,"date":"2025-03-03T23:36:34","date_gmt":"2025-03-03T15:36:34","guid":{"rendered":"https:\/\/cathayvista.top\/?p=5524"},"modified":"2025-03-05T14:36:26","modified_gmt":"2025-03-05T06:36:26","slug":"helicopter-zhen","status":"publish","type":"post","link":"https:\/\/cathayvista.top\/index.php\/2025\/03\/03\/helicopter-zhen\/","title":{"rendered":"\u76f4\u5347\u673a \/ Helicopter &#8211; \u4e2d\u82f1\u6587\u7ef4\u57fa\u767e\u79d1\u8bcd\u6761\u878d\u5408"},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"has-small-font-size\">\u4e2d\u6587\u8bcd\u6761\u539f\u6587\u94fe\u63a5\uff08\u65e0\u6cd5\u4ece\u4e2d\u56fd\u5185\u5730\u8bbf\u95ee\uff09\uff1a<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a> <br>\u82f1\u6587\u8bcd\u6761\u539f\u6587\u94fe\u63a5\uff08\u65e0\u6cd5\u4ece\u4e2d\u56fd\u5185\u5730\u8bbf\u95ee\uff09\uff1a<a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a> <br>\u672c\u6587\u57fa\u4e8e\u82f1\u6587\u8bcd\u6761\u7684\u7ebf\u7d22\uff0c\u5e76\u8865\u5145\u90e8\u5206\u6765\u81ea\u4e2d\u6587\u8bcd\u6761\u7684\u5185\u5bb9\uff08\u5728\u4e8c\u8005\u51b2\u7a81\u65f6\uff0c\u4ee5\u66f4\u665a\u66f4\u65b0\u8005\u4e3a\u51c6\uff09\u3002 \u8fbd\u89c2\u642c\u8fd0\u65f6\u8fdb\u884c\u4e86\u5fc5\u8981\u7684\u5408\u89c4\u5316\u5904\u7406\uff0c\u4ee5\u4f7f\u5176\u80fd\u591f\u5728\u4e2d\u56fd\u5185\u5730\u4e0a\u4f20\u3002\u90e8\u5206\u6587\u5b57\u91c7\u7528<strong>\u6c49\u8bed\u62fc\u97f3<\/strong>\u65b9\u5f0f\u4ee3\u66ff\uff0c\u97f3\u8282\u540e\u7684\u6570\u5b57\u8868\u793a\u6c49\u8bed\u62fc\u97f3\u89c4\u5219\u4e2d\u7684\u58f0\u8c03\u3002 <\/p>\n\n\n\n<p class=\"has-small-font-size\">\u5173\u4e8e\u8fbd\u89c2\u7684\u7ef4\u57fa\u767e\u79d1\u642c\u8fd0\u8ba1\u5212\uff0c\u53ca\u5176\u4ed6\u5df2\u642c\u8fd0\u7684\u8bcd\u6761\uff0c<a href=\"https:\/\/cathayvista.top\/index.php\/wikipedia-intro\/\" data-type=\"link\" data-id=\"https:\/\/cathayvista.top\/index.php\/wikipedia-intro\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u4e86\u89e3\u66f4\u591a<\/a>\u3002\u7ef4\u57fa\u767e\u79d1\uff08Wikipedia\uff09\u662f\u7f8e\u56fd\u7ef4\u57fa\u5a92\u4f53\u57fa\u91d1\u4f1a\u7684\u4e92\u8054\u7f51\u767e\u79d1\u9879\u76ee\uff0c\u5176\u5185\u5bb9\u53ef\u80fd\u53d7\u5230\u7acb\u573a\u3001\u4fe1\u606f\u6765\u6e90\u7b49\u56e0\u7d20\u5f71\u54cd\uff0c\u8bf7\u5ba2\u89c2\u770b\u5f85\u3002\u6b63\u6587\u5185\u5bb9\u4e0d\u4ee3\u8868\u8bd1\u8005\u89c2\u70b9\u3002 <\/p>\n\n\n\n<p class=\"has-small-font-size\">\u8fbd\u89c2\u63d0\u4f9b\u7684\u7ffb\u8bd1\u4ec5\u4f9b\u53c2\u8003\u3002<strong>\u6587\u4e2d\u53ef\u80fd\u5305\u542b\u65e0\u6cd5\u4ece\u4e2d\u56fd\u5185\u5730\u8bbf\u95ee\u7684\u94fe\u63a5\u3002<\/strong> <\/p>\n<cite>\u8fbd\u89c2\u6240\u642c\u8fd0\u7684\u8bcd\u6761\u6587\u672c\u4e0e\u7ef4\u57fa\u767e\u79d1\u4e00\u9053\u540c\u6837\u9075\u5faaCC BY-SA 4.0\u534f\u8bae\uff08<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/653887754?utm_psn=1730141199812366337\" target=\"_blank\" rel=\"noreferrer noopener\">\u8fbd\u89c2\u642c\u8fd0\u7684\u4e2d\u82f1\u6587\u5bf9\u7167\u7248\u672c<\/a>\uff09\uff0c\u5728\u7b26\u5408\u534f\u8bae\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\u60a8\u53ef\u4ee5\u514d\u8d39\u4f7f\u7528\u5176\u5185\u5bb9\uff08\u5305\u62ec\u5546\u7528\uff09\u3002\u56fe\u7247\u548c\u89c6\u9891\u53ef\u80fd\u9075\u5faa\u4e0d\u540c\u7684\u5171\u4eab\u534f\u8bae\u3002<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/666846485?utm_psn=1730141316690960386\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a><\/cite><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u6b63\u6587\uff08\u53d1\u5e03\u4e8e\u77e5\u4e4e\u4e13\u680f\uff09<\/h2>\n\n\n\n<p>\u7b2c\u4e00\u90e8\u5206\uff08\u6982\u8ff0\u3001\u8bcd\u6e90\u3001\u8bbe\u8ba1\uff09<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/27730198949\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a><\/p>\n\n\n\n<p>\u7b2c\u4e8c\u90e8\u5206\uff08\u98de\u884c\u3001\u7528\u9014\u3001\u5b89\u5168\u6027\uff09<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/28093119030\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a><\/p>\n\n\n\n<p>\u7b2c\u4e09\u90e8\u5206-\u5269\u4f59\u90e8\u5206\uff08\u5386\u53f2\uff09<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/28098376436\">\u8bf7\u70b9\u51fb\u8fd9\u91cc\u8bbf\u95ee<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"See_also\">2. \u53c2\u89c1\uff08\u7ef4\u57fa\u767e\u79d1\u7684\u76f8\u5173\u8bcd\u6761\uff09| See also<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><img loading=\"lazy\" decoding=\"async\" width=\"28\" height=\"28\" srcset=\"\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/6\/68\/Aviacionavion.png\/42px-Aviacionavion.png 1.5x, \/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/6\/68\/Aviacionavion.png\/56px-Aviacionavion.png 2x\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/6\/68\/Aviacionavion.png\/28px-Aviacionavion.png\" alt=\"\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Portal:Aviation\">Aviation portal<\/a>\u3010\u822a\u7a7a\u4e3b\u9898\u3011<\/li>\n<\/ul>\n\n\n\n<p>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Attack_helicopter\">Attack helicopter<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Backpack_helicopter\">Backpack helicopter<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cyclogyro\">Cyclogyro<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Disk_loading\">Disk loading<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter_dynamics\">Helicopter dynamics<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter_height%E2%80%93velocity_diagram\">Helicopter height\u2013velocity diagram<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter_manufacturer\">Helicopter manufacturer<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter_Underwater_Escape_Training\">Helicopter Underwater Escape Training<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Jesus_nut\">Jesus nut<\/a>, the top central big nut that holds the rotor on<\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_helicopter_airlines\">List of helicopter airlines<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_rotorcraft\">List of rotorcraft<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Transverse_flow_effect\">Transverse flow effect<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Utility_helicopter\">Utility helicopter<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Wire_strike_protection_system\">Wire strike protection system<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Tiltrotor\">Tiltrotor<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u82f1\u6587\u8bcd\u6761\u53c2\u8003\u6587\u732e | References<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Footnotes\">3.1 \u5f15\u7528\u5217\u8868\uff08\u4e0e\u6587\u4e2d\u6807\u53f7\u5bf9\u5e94\uff09| Footnotes<\/h3>\n\n\n\n<ol class=\"wp-block-list has-small-font-size\">\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-1\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Genitive_case\">GEN<\/a>\u00a0<a href=\"https:\/\/en.wiktionary.org\/wiki\/%E1%BC%95%CE%BB%CE%B9%CE%BE#Inflection\">\u1f15\u03bb\u03b9\u03ba\u03bf\u03c2<\/a>\u00a0<em>helikos<\/em>\u00a0(the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Kappa\">\u03ba<\/a>\u00a0being\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Romanization_of_Greek\">romanised<\/a>\u00a0as a\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/C\">c<\/a><\/em>); see\u00a0<a href=\"https:\/\/www.perseus.tufts.edu\/hopper\/text?doc=Perseus:text:1999.04.0057:entry=e(\/lic2\">\u1f15\u03bb\u03b9\u03be<\/a>\u00a0and\u00a0<a href=\"https:\/\/www.perseus.tufts.edu\/hopper\/text?doc=Perseus:text:1999.04.0057:entry=e(\/lic1\">\u1f15\u03bb\u03b9\u03be (as an adjective)<\/a>.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Henry_Liddell\">Liddell, Henry George<\/a>;\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Robert_Scott_(philologist)\">Scott, Robert<\/a>;\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/A_Greek%E2%80%93English_Lexicon\">A Greek\u2013English Lexicon<\/a><\/em>\u00a0at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Perseus_Project\">Perseus Project<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-2\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.perseus.tufts.edu\/hopper\/text?doc=Perseus:text:1999.04.0057:entry=ptero\/n\">\u03c0\u03c4\u03b5\u03c1\u03cc\u03bd<\/a>\u00a0in\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Henry_Liddell\">Liddell<\/a>\u00a0and\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Robert_Scott_(philologist)\">Scott<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-3\">^<\/a><\/strong>\u00a0Harper, Douglas.\u00a0<a href=\"https:\/\/www.etymonline.com\/?term=helicopter\">&#8220;helicopter&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Online_Etymology_Dictionary\">Online Etymology Dictionary<\/a><\/em>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-4\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.thefreedictionary.com\/helicopter\">&#8220;helicopter&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/The_Free_Dictionary\">The Free Dictionary<\/a><\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20141031002044\/http:\/\/www.thefreedictionary.com\/helicopter\">Archived<\/a>\u00a0from the original on 31 October 2014. Retrieved\u00a030 October\u00a02014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-5\">^<\/a><\/strong>\u00a0Cottez 1980, p. 181.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-6\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.nasa.gov\/learning-resources\/for-kids-and-students\/what-is-a-helicopter-2-grades-5-8\/\">&#8220;What Is a Helicopter? (Grades 5-8) NASA&#8221;<\/a>. 21 May 2014.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20240914061240\/https:\/\/www.nasa.gov\/learning-resources\/for-kids-and-students\/what-is-a-helicopter-2-grades-5-8\/\">Archived<\/a>\u00a0from the original on 14 September 2024. Retrieved\u00a018 November\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-7\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.ecfr.gov\/current\/title-14\/chapter-I\/subchapter-A\/part-1\">[1]<\/a>\u00a0(Definitions and Abbreviations) of Subchapter A of Chapter I of Title 14 of the U.S. Code of Federal Regulations<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Frawley_Civil_8-0\">^<\/a><\/strong>\u00a0Frawley 2003, p. 151.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-9\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140218111928\/http:\/\/www.cavalrypilot.com\/fm1-514\/Ch3.htm\">&#8220;FM 1-514 Chptr 3 \u2013 Rotor System Operation&#8221;<\/a>. 18 February 2014. Archived from\u00a0<a href=\"http:\/\/www.cavalrypilot.com\/fm1-514\/Ch3.htm\">the original<\/a>\u00a0on 18 February 2014. Retrieved\u00a03 May\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-10\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.aerospaceweb.org\/question\/helicopters\/q0034.shtml\">&#8220;Helicopter Yaw Control Methods&#8221;<\/a>.\u00a0<em>aerospaceweb.org<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150919123404\/http:\/\/www.aerospaceweb.org\/question\/helicopters\/q0034.shtml\">Archived<\/a>\u00a0from the original on 19 September 2015. Retrieved\u00a01 April\u00a02015.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-H2R_11-0\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/uasweekly.com\/2020\/10\/29\/kawasaki-successfully-tests-the-ninja-h2r-powered-unmanned-helicopter\/\">&#8220;Kawasaki successfully tests the Ninja H2R-powered unmanned helicopter&#8221;<\/a>.\u00a0<em>UASweekly.com<\/em>. 29 October 2020.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20201101045209\/https:\/\/uasweekly.com\/2020\/10\/29\/kawasaki-successfully-tests-the-ninja-h2r-powered-unmanned-helicopter\/\">Archived<\/a>\u00a0from the original on 1 November 2020. Retrieved\u00a031 October\u00a02020.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-12\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20080928153738\/http:\/\/www.businessweek.com\/autos\/content\/nov2006\/bw20061102_790939.htm?chan=top+news_top+news+index_autos\">&#8220;Jay Leno&#8217;s EcoJet Concept&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Businessweek\">businessweek<\/a>.com<\/em>, 2 November 2006. Retrieved 12 December 2010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-13\">^<\/a><\/strong>\u00a0Skinner, Tony.\u00a0<a href=\"https:\/\/archive.today\/20130421063845\/http:\/\/www.shephard.co.uk\/news\/rotorhub\/eurosatory-2010-industry-celebrates-first-helicopter-biofuel-flight\/6577\/\">&#8220;Eurosatory 2010: Industry celebrates first helicopter biofuel flight&#8221;<\/a>.\u00a0<em>shephard.co.uk<\/em>, 17 June 2010. Retrieved 12 December 2010.<\/li>\n\n\n\n<li>^\u00a0<em>Helicopter Flying Handbook<\/em>, FAA, 2024, Chaper 4 &#8220;Helicopter Components, Sections, and Systems&#8221;\u00a0<a href=\"https:\/\/www.faa.gov\/regulations_policies\/handbooks_manuals\/aviation\/helicopter_flying_handbook\">https:\/\/www.faa.gov\/regulations_policies\/handbooks_manuals\/aviation\/helicopter_flying_handbook<\/a><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-15\">^<\/a><\/strong>\u00a0<em>Helicopter Instructor&#8217;s Handbook<\/em>, FAA, 2014, ISBN 9781629141442, 1629141445<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-16\">^<\/a><\/strong>\u00a0Bailey, Norman (2014) &#8216;Helicopter Pilot&#8217;s Manual<em>\u00a0Crowood, ISBN 9781847979230, 1847979238<\/em><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-17\">^<\/a><\/strong>\u00a0<em>Bevel Gear Fundamentals and Applications<\/em>, Jan Klingelnberg, 2015, Springer Berlin Heidelberg, ISBN 9783662438930, 3662438933<\/li>\n\n\n\n<li>^\u00a0John M. Seddon, Simon Newman.\u00a0<a href=\"https:\/\/books.google.com\/books?id=X_X3nOODGLgC\">Basic Helicopter Aerodynamics<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160430134549\/https:\/\/books.google.com\/books?id=X_X3nOODGLgC&amp;printsec=frontcover&amp;hl=da\">Archived<\/a>\u00a030 April 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0p. 216,\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/John_Wiley_and_Sons\">John Wiley and Sons<\/a><\/em>, 2011. Retrieved 25 February 2012.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/1-119-99410-1\">1-119-99410-1<\/a>. Quote: &#8220;The rotor is best served by rotating at a constant rotor speed&#8221;<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-crouch_19-0\">^<\/a><\/strong>\u00a0Croucher, Phil.\u00a0<a href=\"https:\/\/books.google.com\/books?id=AovdKRWSqJAC&amp;q=%22Professional+Helicopter+Pilot+Studies%22\">Professional helicopter pilot studies<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20151127020431\/https:\/\/books.google.com\/books?id=AovdKRWSqJAC&amp;printsec=frontcover&amp;dq=%22Professional+Helicopter+Pilot+Studies%22&amp;hl=da&amp;ei=LYZ4TdmcDMjRsgbj56TyBw&amp;sa=X&amp;oi=book_result&amp;ct=result&amp;resnum=1&amp;ved=0CD8Q6AEwAA#v=onepage&amp;q&amp;f=true\">Archived<\/a>\u00a027 November 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0page 2-11.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/978-0-9780269-0-5\">978-0-9780269-0-5<\/a>. Quote: [Rotor speed] &#8220;is constant in a helicopter&#8221;.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-hawkRpm_20-0\">^<\/a><\/strong>\u00a0Johnson, Pam.\u00a0<a href=\"http:\/\/www.michaeljohnsonmp.com\/pdf\/Pacific_wings_P42-49_Delta_v4_-_bill_whitney.pdf\">Delta D2<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20110216035206\/http:\/\/www.michaeljohnsonmp.com\/pdf\/Pacific_wings_P42-49_Delta_v4_-_bill_whitney.pdf\">Archived<\/a>\u00a016 February 2011 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0page 44\u00a0<em>Pacific Wings<\/em>. Retrieved 2 January 2010<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-21\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.helicoptervietnam.com\/history.htm\">&#8220;Helicopters&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20110711161634\/http:\/\/www.helicoptervietnam.com\/history.htm\">Archived<\/a>\u00a011 July 2011 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Helicopter Vietnam<\/em>. Retrieved: 16 February 2011.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-22\">^<\/a><\/strong>\u00a0The\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Sikorsky_UH-60_Black_Hawk\">UH-60<\/a>\u00a0permits 95\u2013101% rotor RPM\u00a0<a href=\"http:\/\/www.usarmyaviation.com\/studyguides\/index.php?folder=Documents\/UH-60BlackhawkSpecific&amp;download=Uh60limits.doc\">UH-60 limits<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160818162950\/http:\/\/www.usarmyaviation.com\/studyguides\/index.php?folder=Documents%2FUH-60BlackhawkSpecific&amp;download=Uh60limits.doc\">Archived<\/a>\u00a018 August 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/US_Army_Aviation\">US Army Aviation<\/a><\/em>. Retrieved 2 January 2010<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-23\">^<\/a><\/strong>\u00a0Kenneth Munson;\u00a0<em>Helicopters: And Other Rotorcraft since 1907<\/em>, Blandford, revised edition 1973, pp. 55, 144-5.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-lombar_24-0\">^<\/a><\/strong>\u00a0Lombardi, Frank (April 2015).\u00a0<a href=\"http:\/\/accessintelligence.imirus.com\/Mpowered\/book\/vrw15\/i452\/p48\">&#8220;Under the big top&#8221;<\/a>.\u00a0<em>Rotor &amp; Wing<\/em>. p.\u00a048.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150413003001\/http:\/\/accessintelligence.imirus.com\/Mpowered\/book\/vrw15\/i452\/p48\">Archived<\/a>\u00a0from the original on 13 April 2015. Retrieved\u00a012 April\u00a02015.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-25\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.heliventuresnc.com\/new-helicopter-pilot-resources\/helicopter-career-info\/\">&#8220;Helicopter Pilot Training Schools, Careers \u2013 Heliventures&#8221;<\/a>.\u00a0<em>heliventuresnc.com<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150402071307\/http:\/\/www.heliventuresnc.com\/new-helicopter-pilot-resources\/helicopter-career-info\/\">Archived<\/a>\u00a0from the original on 2 April 2015. Retrieved\u00a01 April\u00a02015.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-26\">^<\/a><\/strong>\u00a0Day, Dwayne A.\u00a0<a href=\"http:\/\/www.centennialofflight.net\/essay\/Rotary\/skycranes\/HE13.htm\">&#8220;Skycranes&#8221;<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140204054636\/http:\/\/www.centennialofflight.net\/essay\/Rotary\/skycranes\/HE13.htm\">Archived<\/a>\u00a04 February 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>. Centennial of Flight Commission. Retrieved 1 October 2008.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-27\">^<\/a><\/strong>\u00a0Webster, L.F.\u00a0<em>The Wiley Dictionary of Civil Engineering and Construction<\/em>. New York: Wiley, 1997.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-471-18115-3\">0-471-18115-3<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-28\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20141007195754\/http:\/\/www.rotaryaction.com\/index.html\">&#8220;Rotary inaction&#8221;<\/a>. rotaryaction.com. Archived from\u00a0<a href=\"http:\/\/www.rotaryaction.com\/index.html\">the original<\/a>\u00a0on 7 October 2014. Retrieved\u00a027 October\u00a02021.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-usfs1_29-0\">^<\/a><\/strong>\u00a0Butler, Bret W. et al.\u00a0<a href=\"http:\/\/www.fs.fed.us\/rm\/pubs\/rmrs_rp009\/appA.html\">&#8220;Appendix A: Glossary: Fire Behavior Associated with the 1994 South Canyon Fire on Storm King Mountain, Colorado research paper&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20081002035033\/http:\/\/www.fs.fed.us\/rm\/pubs\/rmrs_rp009\/appA.html\">Archived<\/a>\u00a02 October 2008 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>U.S. Dept. of Agriculture, Forest Service<\/em>, September 1998. Retrieved 2 November 2008.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-30\">^<\/a><\/strong>\u00a0Kay, Marcia Hillary. &#8220;<a href=\"http:\/\/www.aviationtoday.com\/rw\/commercial\/eng\/40-Years-Retrospective-Its-Been-a-Wild-Ride_14518.html\">40 Years Retrospective: It&#8217;s Been a Wild Ride<\/a>&#8221;\u00a0<em>Rotor &amp; Wing<\/em>, August 2007. Accessed: 8 June 2014.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140608203922\/http:\/\/www.aviationtoday.com\/rw\/commercial\/eng\/40-Years-Retrospective-Its-Been-a-Wild-Ride_14518.html\">Archived<\/a>\u00a08 June 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Martian_helicopter_31-0\">^<\/a><\/strong>\u00a0n\/a, n\/a (11 May 2018).\u00a0<a href=\"https:\/\/www.bbc.com\/news\/world-us-canada-44090509?ocid=socialflow_twitter&amp;ns_source=twitter&amp;ns_mchannel=social&amp;ns_campaign=bbcnews\">&#8220;Nasa will send helicopter to Mars to test otherworldly flight&#8221;<\/a>.\u00a0<em>BBC<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20180706152705\/https:\/\/www.bbc.com\/news\/world-us-canada-44090509?ocid=socialflow_twitter&amp;ns_source=twitter&amp;ns_mchannel=social&amp;ns_campaign=bbcnews\">Archived<\/a>\u00a0from the original on 6 July 2018. Retrieved\u00a011 May\u00a02018.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-32\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20180304173428\/https:\/\/gama.aero\/wp-content\/uploads\/memos\/63185_GAMA_2017_Year_End_Report.pdf\">&#8220;GAMA General Aviation Shipment Report 2017&#8221;<\/a>\u00a0(PDF). General Aviation Manufacturers Association. 21 February 2018. Archived from\u00a0<a href=\"https:\/\/gama.aero\/wp-content\/uploads\/memos\/63185_GAMA_2017_Year_End_Report.pdf\">the original<\/a>\u00a0(PDF)\u00a0on 4 March 2018. Retrieved\u00a04 March\u00a02018.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Flight17oct2018_33-0\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.flightglobal.com\/news\/articles\/analysis-helicopter-market-report-q3-2018-452784\/\">&#8220;Helicopter market report Q3 2018&#8221;<\/a>.\u00a0<em>Flightglobal<\/em>. 17 October 2018.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20181018122616\/https:\/\/www.flightglobal.com\/news\/articles\/analysis-helicopter-market-report-q3-2018-452784\/\">Archived<\/a>\u00a0from the original on 18 October 2018. Retrieved\u00a018 October\u00a02018.<\/li>\n\n\n\n<li>^\u00a0Leishman, J. Gordon.\u00a0<em>Principles of Helicopter Aerodynamics<\/em>. Cambridge aerospace series, 18. Cambridge:\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Cambridge_University_Press\">Cambridge University Press<\/a>, 2006.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/978-0-521-85860-1\">978-0-521-85860-1<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140713201846\/http:\/\/terpconnect.umd.edu\/~leishman\/Aero\/history.html\">&#8220;A History of Helicopter Flight&#8221;<\/a>. Archived from\u00a0<a href=\"http:\/\/terpconnect.umd.edu\/~leishman\/Aero\/history.html\">the original<\/a>\u00a0on 13 July 2014. Retrieved\u00a015 July\u00a02014.\u00a0Web extract<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-35\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.aerospaceweb.org\/design\/helicopter\/history.shtml\">&#8220;Early Helicopter History&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20041205132718\/http:\/\/www.aerospaceweb.org\/design\/helicopter\/history.shtml\">Archived<\/a>\u00a05 December 2004 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Aerospaceweb.org<\/em>. Retrieved: 12 December 2010<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Taking_Flight:_Inventing_the_Aerial_Age,_from_Antiquity_Through_the_First_World_War_36-0\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/books.google.com\/books?id=YRqV_PayIKIC&amp;pg=PA22\"><em>Taking Flight: Inventing the Aerial Age, from Antiquity Through the First World War<\/em><\/a>. Oxford University Press. 8 May 2003. pp.\u00a022\u201323.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/978-0-19-516035-2\"><bdi>978-0-19-516035-2<\/bdi><\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-china-1_37-0\">^<\/a><\/strong>\u00a0Goebel, Greg.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20110629140626\/http:\/\/www.vectorsite.net\/avheli_1.html\">&#8220;The Invention of the Helicopter&#8221;<\/a>.\u00a0<em>VectorSite.net<\/em>. Archived from the original on 29 June 2011. Retrieved\u00a011 November\u00a02008.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-china-2_38-0\">^<\/a><\/strong>\u00a0Fay, John.\u00a0<a href=\"http:\/\/www.helis.com\/pioneers\/1.php\">&#8220;Helicopter Pioneers\u00a0\u2013 Evolution of Rotary Wing Aircraft&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20061107114307\/http:\/\/www.helis.com\/pioneers\/1.php\">Archived<\/a>\u00a07 November 2006 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Helicopter History Site<\/em>. Retrieved: 28 November 2007<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-39\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Donald_F._Lach\">Donald F. Lach<\/a>. (1977).\u00a0<a href=\"https:\/\/books.google.com\/books?id=N0xD7BYXv_YC\"><em>Asia in the making of Europe. Volume II, A Century of Wonder<\/em><\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150915152103\/https:\/\/books.google.com\/books?id=N0xD7BYXv_YC\">Archived<\/a>\u00a015 September 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>. p. 403<\/li>\n\n\n\n<li>^\u00a0Leishman, J. Gordon (2006).\u00a0<a href=\"https:\/\/books.google.com\/books?id=nMV-TkaX-9cC&amp;dq=Principles%20of%20Helicopter%20Aerodynamics&amp;pg=PP1\">Principles of Helicopter Aerodynamics<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150925024931\/https:\/\/books.google.com\/books?id=nMV-TkaX-9cC&amp;lpg=PP1&amp;dq=Principles%20of%20Helicopter%20Aerodynamics\">Archived<\/a>\u00a025 September 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>. Cambridge University Press. p. 8.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-521-85860-7\">0-521-85860-7<\/a><\/li>\n\n\n\n<li>^\u00a0Rumerman, Judy.\u00a0<a href=\"http:\/\/www.centennialofflight.net\/essay\/Rotary\/early_helicopters\/HE1.htm\">&#8220;Early Helicopter Technology&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140220023307\/http:\/\/www.centennialofflight.net\/essay\/Rotary\/early_helicopters\/HE1.htm\">Archived<\/a>\u00a020 February 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Centennial of Flight Commission<\/em>, 2003. Retrieved 12 December 2010<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-aerial_screw_42-0\">^<\/a><\/strong>\u00a0Pilotfriend.com\u00a0<a href=\"http:\/\/www.pilotfriend.com\/photo_albums\/helicopters\/Leonardo%20Da%20Vinci's%20Helical%20Air%20Screw.htm\">&#8220;Leonardo da Vinci&#8217;s Helical Air Screw&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150924073521\/http:\/\/www.pilotfriend.com\/photo_albums\/helicopters\/Leonardo%20Da%20Vinci%27s%20Helical%20Air%20Screw.htm\">Archived<\/a>\u00a024 September 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Pilotfriend.com<\/em>. Retrieved 12 December 2010<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-43\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.loc.gov\/teachers\/classroommaterials\/primarysourcesets\/flight\/pdf\/teacher_guide.pdf\">&#8220;The Inventive Wright Brothers&#8221;<\/a>\u00a0(PDF).\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Library_of_Congress\">Library of Congress<\/a><\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20171018101652\/http:\/\/www.loc.gov\/teachers\/classroommaterials\/primarysourcesets\/flight\/pdf\/teacher_guide.pdf\">Archived<\/a>\u00a0(PDF)\u00a0from the original on 18 October 2017. Retrieved\u00a029 December\u00a02017.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-imss_44-0\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.imss.fi.it\/milleanni\/cronologia\/biografie\/forlanie.html\">&#8220;Enrico Forlanini&#8221;<\/a>\u00a0(in Italian). Mille anni di scienza in Italia.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20200118124028\/http:\/\/www.imss.fi.it\/milleanni\/cronologia\/biografie\/forlanie.html\">Archived<\/a>\u00a0from the original on 18 January 2020. Retrieved\u00a013 March\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-45\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.milanolinate-airport.com\/it\/legal\/airport-regulations\/aeroporto-linate\">&#8220;L&#8217;aeroporto di Milano Linate&#8221;<\/a>\u00a0(in Italian). Aeroporto di Milano Linate.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20240312232355\/https:\/\/www.milanolinate-airport.com\/it\/legal\/airport-regulations\/aeroporto-linate\">Archived<\/a>\u00a0from the original on 12 March 2024. Retrieved\u00a013 March\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-46\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.comune.milano.it\/aree-tematiche\/verde\/verde-pubblico\/parchi-cittadini\/parco-enrico-forlanini\">&#8220;Scheda del Parco Forlanini&#8221;<\/a>\u00a0(in Italian). Comune di Milano.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20240421204101\/https:\/\/www.comune.milano.it\/aree-tematiche\/verde\/verde-pubblico\/parchi-cittadini\/parco-enrico-forlanini\">Archived<\/a>\u00a0from the original on 21 April 2024. Retrieved\u00a013 March\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-47\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/helikopterhysteriezwo.blogspot.jp\/2012\/06\/moments-in-helicopter-history-9.html\">&#8220;Moments in Helicopter History (9) \u2013 Hermann Ganswindt&#8221;<\/a>.\u00a0<em>helikopterhysteriezwo.blogspot.jp<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160810221946\/http:\/\/helikopterhysteriezwo.blogspot.jp\/2012\/06\/moments-in-helicopter-history-9.html\">Archived<\/a>\u00a0from the original on 10 August 2016. Retrieved\u00a023 May\u00a02016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-48\">^<\/a><\/strong>\u00a0Bryan, George S.\u00a0<em>Edison: the Man and His Work<\/em>. New York: Garden City Publishers, 1926. p. 249<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-49\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.helis.com\/pioneers\/1900.php\">&#8220;Pioneers \u2013 1900\/1930&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20070504045019\/http:\/\/www.helis.com\/pioneers\/1900.php\">Archived<\/a>\u00a04 May 2007 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Helicopter History Site<\/em>. Retrieved: 3 May 2007<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-us970616_50-0\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.google.de\/patents\/US970616\">&#8220;Patent US970616 \u2013 Flying-machine&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160413071048\/https:\/\/www.google.de\/patents\/US970616\">Archived<\/a>\u00a0from the original on 13 April 2016. Retrieved\u00a030 March\u00a02016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-51\">^<\/a><\/strong>\u00a0Dowd, George L. &#8220;Flops of famous inventors&#8221;.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Popular_Science\">Popular Science<\/a><\/em>, December 1930<\/li>\n\n\n\n<li>^\u00a0Munson 1968.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Hirschberg_53-0\">^<\/a><\/strong>\u00a0Hirschberg, Michael J. and David K. Dailey,\u00a0<a href=\"http:\/\/vtol.org\/History.htm\">&#8220;Sikorsky&#8221;<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20071218045128\/http:\/\/www.vtol.org\/History.htm\">Archived<\/a>\u00a018 December 2007 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>.\u00a0<em>US and Russian Helicopter Development in the 20th Century<\/em>,\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/American_Helicopter_Society\">American Helicopter Society<\/a>, International. 7 July 2000.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-55\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/news.google.com\/newspapers?id=MbJIAAAAIBAJ&amp;sjid=koEMAAAAIBAJ&amp;pg=4676,522421&amp;dq=brightwood+washington+-coxey&amp;hl=en\">&#8220;Helicoptre Lifts Itself and Man&#8221;<\/a>.\u00a0<em>Youngstown Vindicator<\/em>. 1 July 1909. Retrieved\u00a023 November\u00a02022.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-56\">^<\/a><\/strong>\u00a0Slovenska akademija znanosti in umetnosti.\u00a0<a href=\"http:\/\/www.slovenska-biografija.si\/oseba\/sbi584468\/\">&#8220;Slokar, Ivan (1884\u20131970)&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160304111720\/http:\/\/www.slovenska-biografija.si\/oseba\/sbi584468\/\">Archived<\/a>\u00a0from the original on 4 March 2016. Retrieved\u00a030 March\u00a02016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-57\">^<\/a><\/strong>\u00a0Ob\u010dina Ajdov\u0161\u010dina.\u00a0<a href=\"http:\/\/www.ajdovscina.si\/ajdovscina\/zgodovina\/pomembne_osebnosti\/2015082013191757\/%20Ivan%20Slokar%20-%20letalski%20izumitelj,%20gospodarstvenik,%20jezikoslovec%20(1884%20-%201970)\/\">&#8220;Ivan Slokar \u2013 letalski izumitelj, gospodarstvenik, jezikoslovec (1884\u20131970)&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160304090149\/http:\/\/www.ajdovscina.si\/ajdovscina\/zgodovina\/pomembne_osebnosti\/2015082013191757\/%20Ivan%20Slokar%20-%20letalski%20izumitelj,%20gospodarstvenik,%20jezikoslovec%20(1884%20-%201970)\/\">Archived<\/a>\u00a0from the original on 4 March 2016. Retrieved\u00a030 March\u00a02016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-58\">^<\/a><\/strong>\u00a0<em>Sto slovenskih znanstvenikov, zdravnikov in tehnikov (Open Library)<\/em>.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/OL_(identifier)\">OL<\/a>\u00a0<a href=\"https:\/\/openlibrary.org\/books\/OL19750086M\">19750086M<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-59\">^<\/a><\/strong>\u00a0Taylor, Michael J. H.\u00a0<em>Jane&#8217;s Encyclopedia of Aviation<\/em>, p. 348. London: Studio Editions, 1989.<\/li>\n\n\n\n<li>^\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-PPdist_60-0\">Jump up to:<sup><em><strong>a<\/strong><\/em><\/sup><\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-PPdist_60-1\"><sup><em><strong>b<\/strong><\/em><\/sup><\/a>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13094\">FAI Record ID #13094 \u2013 Straight distance. Class E former G (Helicopters), piston\u00a0<\/a><a href=\"https:\/\/web.archive.org\/web\/20141006093603\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13094\">Archived<\/a>\u00a06 October 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em>F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-61\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/books.google.com\/books?id=9ycDAAAAMBAJ&amp;pg=PA70\">&#8220;New Helicopter Rises in Vertical Flight&#8221;<\/a>.\u00a0<em>Popular Science<\/em>. Bonnier Corporation. March 1931. p.\u00a070.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-62\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/books.google.com\/books?id=S-QDAAAAMBAJ&amp;pg=PA460\">&#8220;Helicopter with Six Blades Succeeds in Tests&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Popular_Mechanics\">Popular Mechanics<\/a><\/em>. Hearst Magazines. March 1931. p.\u00a0460.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-63\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/time.com\/vault\/issue\/1923-03-03\/page\/23\/\">&#8220;A Successful Helicopter&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Time_(magazine)\">Time<\/a><\/em>. 3 March 1923. p.\u00a023. Retrieved\u00a02 March\u00a02021.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-EOdist1_64-0\">^<\/a><\/strong>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13093\">FAI Record ID #13093 \u2013 Straight distance. Class E former G (Helicopters), piston\u00a0<\/a><a href=\"https:\/\/web.archive.org\/web\/20160305020606\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13093\">Archived<\/a>\u00a05 March 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em>F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-flight-2_65-0\">^<\/a><\/strong>\u00a0Rumerman, Judy.\u00a0<a href=\"http:\/\/www.centennialofflight.net\/essay\/Rotary\/early_20th_century\/HE2.htm\">&#8220;Helicopter Development in the Early Twentieth Century&#8221;<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140220014341\/http:\/\/www.centennialofflight.net\/essay\/Rotary\/early_20th_century\/HE2.htm\">Archived<\/a>\u00a020 February 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>. Centennial of Flight Commission. Retrieved 28 November 2007.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-66\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.cs.uni-salzburg.at\/~rtrummer\/documents\/PhDThesis.pdf\">The JAviator Quadrotor<\/a><sup>[<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Wikipedia:Link_rot\">permanent dead link<\/a><\/em>]<\/sup>\u00a0\u2013 Rainer K. L. Trummer, University of Salzburg, Austria, 2010, p. 21<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-67\">^<\/a><\/strong>\u00a0Relly Victoria Petrescu and Florian Ioon Petrescu\u00a0<em>The Aviation History<\/em>, p. 74. USA, 2013,\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/978-3-8482-6639-5\">978-3-8482-6639-5<\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Vodegel_68-0\">^<\/a><\/strong>\u00a0H.J.G.C. Vodegel and K.P. Jessurun.\u00a0<em>A Historical Review of Two Helicopters Designed in the Netherlands<\/em>. 21st European Rotocraft Forum, 1995, Saint Petersburg, Russia.\u00a0<a href=\"http:\/\/www.lr.tudelft.nl\/fileadmin\/Faculteit\/LR\/Organisatie\/Afdelingen_en_Leerstoelen\/Afdeling_AEWE\/Wind_Energy\/Research\/Publications\/Publications_1995\">web extract<\/a><sup>[<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Wikipedia:Link_rot\">permanent dead link<\/a><\/em>]<\/sup><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Voogt_69-0\">^<\/a><\/strong>\u00a0Alex de Voogt.\u00a0<em>The Transmission of Helicopter Technology, 1920-1939: Exchanges with von Baumhauer<\/em>. Int. j. for the history of eng. &amp; tech., Vol. 83 No. 1, January 2013, 119\u201340.\u00a0<a href=\"https:\/\/www.academia.edu\/2543089\">web extract<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20211025160637\/https:\/\/www.academia.edu\/2543089\">Archived<\/a>\u00a025 October 2021 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-70\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160529045002\/http:\/\/siris-thesauri.si.edu\/ipac20\/ipac.jsp?session=11P8B0B391935.82&amp;profile=planes&amp;uri=link=3100019~!26176~!3100001~!3100002&amp;aspect=subtab13&amp;menu=search&amp;ri=2&amp;source=~!sithesauri&amp;term=Zaschka&amp;index=\">&#8220;Smithsonian National Air and Space Museum Washington:\u00a0<em>Zaschka Helicopter (1927)<\/em>&#8220;<\/a>. Archived from\u00a0<a href=\"http:\/\/siris-thesauri.si.edu\/ipac20\/ipac.jsp?session=11P8B0B391935.82&amp;profile=planes&amp;uri=link=3100019~!26176~!3100001~!3100002&amp;aspect=subtab13&amp;menu=search&amp;ri=2&amp;source=~!sithesauri&amp;term=Zaschka&amp;index=\">the original<\/a>\u00a0on 29 May 2016. Retrieved\u00a011 November\u00a02016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-71\">^<\/a><\/strong>\u00a0&#8220;German Plane Promises New Stunts in Air, The Bee. Danville, Virginia, USA, June 25, 1927, p. 16&#8221;.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-72\">^<\/a><\/strong>\u00a0Zaschka, Engelbert (18 May 2016),\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=0bjcyA-dF7E\">&#8220;<sup>HD<\/sup>\u00a0Engelbert Zaschka \u2013 ein Universalgenie und Erfinder: Musik, Fahrzeuge &amp; Flugzeuge [SWR-Doku 2016]&#8221;<\/a>,\u00a0<em>The Zaschka Innovation<\/em>,\u00a0<a href=\"https:\/\/web.archive.org\/web\/20161106002447\/https:\/\/www.youtube.com\/watch?v=0bjcyA-dF7E\">archived<\/a>\u00a0from the original on 6 November 2016, retrieved\u00a011 November\u00a02016\u00a0\u2013 via Youtube.com<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-73\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/paperspast.natlib.govt.nz\/cgi-bin\/paperspast?a=d&amp;d=EP19350427.2.86\">&#8220;Asboth Helicopter&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20111125201220\/http:\/\/paperspast.natlib.govt.nz\/cgi-bin\/paperspast?a=d&amp;d=EP19350427.2.86\">Archived<\/a>\u00a025 November 2011 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>The Evening Post (New Zealand)<\/em>, 27 April 1935.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-74\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=A8bfOKaiScM\">The first Hungarian helicopter (1929)<\/a>\u00a0on\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/YouTube_video_(identifier)\">YouTube<\/a>\u00a0Retrieved: 12 December 2010.<\/li>\n\n\n\n<li>^\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-spenser_75-0\">Jump up to:<sup><em><strong>a<\/strong><\/em><\/sup><\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-spenser_75-1\"><sup><em><strong>b<\/strong><\/em><\/sup><\/a>\u00a0Spenser 1998<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-CDAdist_76-0\">^<\/a><\/strong>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13059\">FAI Record ID #13086 \u2013 Straight distance. Class E former G (Helicopters), piston<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20151222155348\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13059\">Archived<\/a>\u00a022 December 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em>F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-77\">^<\/a><\/strong>\u00a0Wayne Johnson, Rotorcraft Aeromechanics, Cambridge University Press, p. 19 (2013)<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-78\">^<\/a><\/strong>\u00a0&#8220;Channel Flight By Autogiro. Spanish Airman&#8217;s Success&#8221;.\u00a0<em>The Times<\/em>\u00a0(45002). London. 19 September 1928. col F, p. 14.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-79\">^<\/a><\/strong>\u00a0&#8220;The first\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Spanish_seaplane_carrier_D%C3%A9dalo\">Dedalo<\/a>\u00a0was an aircraft transportation ship and the first in the world from which an autogyro took off and landed.&#8221; Naval Ship Systems Command, US: Naval Ship Systems Command technical news.1966, v. 15\u201316, p. 40<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-80\">^<\/a><\/strong>\u00a0Pulle, Matt (5 July 2007). &#8220;Blade Runner&#8221;. Dallas Observer. 27 (27). Dallas, Tx. pp. 19\u201327.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-81\">^<\/a><\/strong>\u00a0Johnson, Wayne.\u00a0<em>Rotorcraft Aeromechanics<\/em>, p. 21. Cambridge University Press, 2013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-82\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.youtube.com\/watch?v=rx565dqF-5M\"><em>Cheryomukhin TsAGI 1-EA (\u0426\u0410\u0413\u0418 1-\u042d\u0410) first Soviet helicopter<\/em><\/a>. 30 April 2012.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160829004008\/https:\/\/www.youtube.com\/watch?v=rx565dqF-5M\">Archived<\/a>\u00a0from the original on 29 August 2016. Retrieved\u00a030 March\u00a02016\u00a0\u2013 via YouTube.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-83\">^<\/a><\/strong>\u00a0Savine, Alexandre.\u00a0<a href=\"http:\/\/www.ctrl-c.liu.se\/misc\/ram\/1-ea.html\">&#8220;TsAGI 1-EA&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20090126202112\/http:\/\/www.ctrl-c.liu.se\/misc\/ram\/1-ea.html\">Archived<\/a>\u00a026 January 2009 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>ctrl-c.liu.se<\/em>, 24 March 1997. Retrieved 12 December 2010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-art-helicopter_84-0\">^<\/a><\/strong>\u00a0Watkinson 2004, p. 358.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-GLdist_85-0\">^<\/a><\/strong>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13059\">FAI Record ID #13059 \u2013 Straight distance. Class E former G (Helicopters), piston<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20151222155348\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13059\">Archived<\/a>\u00a022 December 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-GLalt_86-0\">^<\/a><\/strong>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13084\">FAI Record ID #13084 \u2013 Altitude. Class E former G (Helicopters), piston<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150207050742\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13084\">Archived<\/a>\u00a07 February 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em>F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-GLdur_87-0\">^<\/a><\/strong>\u00a0&#8220;<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=13062\">FAI Record ID #13062 \u2013 Duration in closed circuit. Class E former G (Helicopters), piston<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160307032252\/http:\/\/www.fai.org\/fai-record-file\/?recordId=13062\">Archived<\/a>\u00a07 March 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8221;\u00a0<em>F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/em>. Retrieved: 21 September 2014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-88\">^<\/a><\/strong>\u00a0Day, Dwayne A. &#8220;<a href=\"http:\/\/www.centennialofflight.net\/essay\/Rotary\/Breguet\/HE7.htm\">Jacques Br\u00e9guet\u2014Gyroplane-Laboratoire<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140224132413\/http:\/\/www.centennialofflight.net\/essay\/Rotary\/Breguet\/HE7.htm\">Archived<\/a>\u00a024 February 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>&#8220;. Paragraph 10. Centennial of Flight. Retrieved 24 September 2015.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-89\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.aerofiles.com\/_bell.html\">&#8220;American airplanes:Bell&#8221;<\/a>. aerofiles.com. 20 April 2009.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20100102011047\/http:\/\/aerofiles.com\/_bell.html\">Archived<\/a>\u00a0from the original on 2 January 2010. Retrieved\u00a023 December\u00a02009.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-90\">^<\/a><\/strong>\u00a0Wall, Berend G. van der; Harris, Franklin D. (September 2022).\u00a0<a href=\"https:\/\/ntrs.nasa.gov\/api\/citations\/20220014586\/downloads\/1582_van%20der%20Wall_Harris-Focke%20CR-20220014586_Final_092722.pdf\">&#8220;Henrich Focke \u2014 Inventor of the First Successful Helicopter&#8221;<\/a>\u00a0(PDF).\u00a0<em>ntrs.nasa.gov<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20230330172154\/https:\/\/ntrs.nasa.gov\/api\/citations\/20220014586\/downloads\/1582_van%20der%20Wall_Harris-Focke%20CR-20220014586_Final_092722.pdf\">Archived<\/a>\u00a0(PDF)\u00a0from the original on 30 March 2023. Retrieved\u00a01 June\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-91\">^<\/a><\/strong>\u00a0Hirschberg, Michael J. (1999).\u00a0<a href=\"https:\/\/www.jstor.org\/stable\/44729509\">&#8220;A Perspective on the First Century of Vertical Flight&#8221;<\/a>.\u00a0<em>SAE Transactions<\/em>.\u00a0<strong>108<\/strong>: 1120.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISSN_(identifier)\">ISSN<\/a>\u00a0<a href=\"https:\/\/search.worldcat.org\/issn\/0096-736X\">0096-736X<\/a>.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/JSTOR_(identifier)\">JSTOR<\/a>\u00a0<a href=\"https:\/\/www.jstor.org\/stable\/44729509\">44729509<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20240531164507\/https:\/\/www.jstor.org\/stable\/44729509\">Archived<\/a>\u00a0from the original on 31 May 2024. Retrieved\u00a01 June\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-fs_92-0\">^<\/a><\/strong>\u00a0Smith, Frank (1981).\u00a0<em>Legacy of Wings; The Harold F. Pitcairn Story<\/em>. New York: Jason Aronson, Inc. pp.\u00a0253\u2013254.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0876684851\"><bdi>0876684851<\/bdi><\/a>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-93\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.defensemedianetwork.com\/stories\/nazi-rotors-german-helicopter-development-1932-1945-flettner\/\">&#8220;World War II German Helicopters \u2013 Flettner Fl 265 and Fl 282&#8221;<\/a>.\u00a0<em>Defense Media Network<\/em>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20240531232634\/https:\/\/www.defensemedianetwork.com\/stories\/nazi-rotors-german-helicopter-development-1932-1945-flettner\/\">Archived<\/a>\u00a0from the original on 31 May 2024. Retrieved\u00a031 May\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-94\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/airandspace.si.edu\/collection-objects\/focke-achgelis-fa-330a-1-bachstelze-water-wagtail\/nasm_A19540016000\">&#8220;Focke-Achgelis Fa 330A-1 Bachstelze (Water Wagtail) | National Air and Space Museum&#8221;<\/a>.\u00a0<em>airandspace.si.edu<\/em>. Retrieved\u00a031 May\u00a02024.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Francillon_95-0\">^<\/a><\/strong>\u00a0Francillon 1997<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-96\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20131203125840\/http:\/\/www.nationalmuseum.af.mil\/factsheets\/factsheet.asp?id=518\">&#8220;Sikorsky R-4B Hoverfly&#8221;<\/a>. Archived from\u00a0<a href=\"http:\/\/www.nationalmuseum.af.mil\/Visit\/MuseumExhibits\/FactSheets\/Display\/tabid\/509\/Article\/195868\/sikorsky-r-4b-hoverfly.aspx\">the original<\/a>\u00a0on 3 December 2013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Day_97-0\">^<\/a><\/strong>\u00a0Day, Dwayne A.\u00a0<a href=\"http:\/\/www.centennialofflight.net\/essay\/Rotary\/Sikorsky_VS300\/HE8.htm\">&#8220;Igor Sikorsky \u2013 VS 300&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140220013543\/http:\/\/www.centennialofflight.net\/essay\/Rotary\/Sikorsky_VS300\/HE8.htm\">Archived<\/a>\u00a020 February 2014 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Centennial of Flight Commission<\/em>, 2003. Retrieved 9 December 2007.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-98\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/books.google.com\/books?id=Zt4DAAAAMBAJ&amp;dq=1954+Popular+Mechanics+January&amp;pg=PA139\">&#8220;Twin Turborotor Helicopter&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150915141300\/https:\/\/books.google.com\/books?id=Zt4DAAAAMBAJ&amp;pg=PA139&amp;dq=1954+Popular+Mechanics+January&amp;hl=en&amp;sa=X&amp;ei=twghT4yjN4_tggfElaX9CA&amp;ved=0CEAQ6AEwBA#v=onepage&amp;q=1954%20Popular%20Mechanics%20January&amp;f=true\">Archived<\/a>\u00a015 September 2015 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>Popular Mechanics<\/em>, August 1954, p. 139.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-Connor-1_99-0\">^<\/a><\/strong>\u00a0Connor, R.D; Lee, R.E. (27 July 2001).\u00a0<a href=\"https:\/\/web.archive.org\/web\/20080101194948\/http:\/\/www.nasm.si.edu\/research\/aero\/aircraft\/kamen_k225.htm\">&#8220;Kaman K-225&#8221;<\/a>.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Smithsonian_National_Air_and_Space_Museum\">Smithsonian National Air and Space Museum<\/a>. Archived from\u00a0<a href=\"http:\/\/www.nasm.si.edu\/research\/aero\/aircraft\/kamen_k225.htm\">the original<\/a>\u00a0on 1 January 2008. Retrieved\u00a09 December\u00a02007.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-100\">^<\/a><\/strong>\u00a0<em>Rotorcraft Flying Handbook<\/em>\u00a02007, pp. 3\u20137.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-101\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20200919213805\/https:\/\/www.rotor.org\/resource?ArtMID=493&amp;ArticleID=7434\">&#8220;HUMS: Not Just for Heavy Iron Anymore&#8221;<\/a>.\u00a0<em>Helicopter Association International<\/em>. Archived from\u00a0<a href=\"https:\/\/www.rotor.org\/resource?ArtMID=493&amp;ArticleID=7434\">the original<\/a>\u00a0on 19 September 2020. Retrieved\u00a03 December\u00a02020.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-102\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.dynamicflight.com\/aerodynamics\/loss_tail_eff\/\">Loss of Tail Rotor Effectiveness<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160604164023\/http:\/\/www.dynamicflight.com\/aerodynamics\/loss_tail_eff\/\">Archived<\/a>\u00a04 June 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>, Dynamic Flight Inc. Accessed 11 May 2016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-103\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.helicopterflight.net\/pedalturns.php\">Helicopter pedal turns, LTE and the Critical Wind Azimuth<\/a>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160604114600\/http:\/\/www.helicopterflight.net\/pedalturns.php\">Archived<\/a>\u00a04 June 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>, Helicopter Flight Inc, Accessed 11 May 2016.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-104\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.easa.europa.eu\/communications\/docs\/annual-safety-review\/2011\/EASA-Annual-Safety-Review-2011.pdf\">&#8220;EASA-Annual-Safety-Review-2011&#8221;<\/a>\u00a0(PDF).\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140324201049\/https:\/\/www.easa.europa.eu\/communications\/docs\/annual-safety-review\/2011\/EASA-Annual-Safety-Review-2011.pdf\">Archived<\/a>\u00a0(PDF)\u00a0from the original on 24 March 2014. Retrieved\u00a018 May\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-105\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.idtechex.com\/events\/presentations\/challenges-of-aircraft-hybridization-003998.asp\">&#8220;Challenges of Aircraft Hybridization&#8221;<\/a>. IDTechEx.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140324185730\/http:\/\/www.idtechex.com\/events\/presentations\/challenges-of-aircraft-hybridization-003998.asp\">Archived<\/a>\u00a0from the original on 24 March 2014. Retrieved\u00a029 April\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-106\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/vtol.org\/store\/product\/vertiflite-marchapril-2012-6058.cfm\">&#8220;Vertiflite, March\/April 2012 \u2013 AHS Online Store&#8221;<\/a>. Vtol.org.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140324191016\/https:\/\/vtol.org\/store\/product\/vertiflite-marchapril-2012-6058.cfm\">Archived<\/a>\u00a0from the original on 24 March 2014. Retrieved\u00a028 April\u00a02013.<\/li>\n\n\n\n<li>^\u00a0<a href=\"http:\/\/apps.dtic.mil\/dtic\/tr\/fulltext\/u2\/a526709.pdf\">&#8220;Model for Vortex Ring State Influence on Rotorcraft Flight Dynamics&#8221;<\/a>\u00a0(PDF).\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140225210121\/http:\/\/www.dtic.mil\/dtic\/tr\/fulltext\/u2\/a526709.pdf\">Archived<\/a>\u00a0(PDF)\u00a0from the original on 25 February 2014. Retrieved\u00a022 February\u00a02014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-108\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20130811223224\/http:\/\/robinsonheli.com\/service_library\/safety_notices\/rhc_sn11.pdf\">&#8220;Safety Notice SN-11&#8221;<\/a>\u00a0(PDF).\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Robinson_Helicopter_Company\">Robinson Helicopter Company<\/a>. October 1982. Archived from\u00a0<a href=\"http:\/\/www.robinsonheli.com\/service_library\/safety_notices\/rhc_sn11.pdf\">the original<\/a>\u00a0(PDF)\u00a0on 11 August 2013. Retrieved\u00a022 February\u00a02014.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-109\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.kauaihelicoptertoursafety.com\/\">&#8220;Helicopter Accidents in Hawaii&#8221;<\/a>.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20160110060633\/http:\/\/kauaihelicoptertoursafety.com\/\">Archived<\/a>\u00a010 January 2016 at the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Wayback_Machine\">Wayback Machine<\/a>\u00a0<em>kauaihelicoptertoursafety.com<\/em>. Retrieved: 12 December 2010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-110\">^<\/a><\/strong>\u00a0FAA RFH, page 11-10<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-111\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.theguardian.com\/world\/2004\/apr\/30\/russia.chechnya\">&#8220;Chechen gets life for killing 127 Russian soldiers&#8221;<\/a>. theguardian.com. 30 April 2004.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20180122181633\/https:\/\/www.theguardian.com\/world\/2004\/apr\/30\/russia.chechnya\">Archived<\/a>\u00a0from the original on 22 January 2018. Retrieved\u00a012 November\u00a02021.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-1982_Nicaragua_Mi-8_crash_112-0\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20171129175458\/http:\/\/planecrashinfo.com\/1982\/1982-64.htm\">&#8220;Accident Details (1982 Nicaragua Mi-8 crash)&#8221;<\/a>. PlaneCrashInfo.com. Archived from\u00a0<a href=\"http:\/\/www.planecrashinfo.com\/1982\/1982-64.htm\">the original<\/a>\u00a0on 29 November 2017. Retrieved\u00a013 April\u00a02018.<\/li>\n\n\n\n<li>^\u00a0Cooper, Tom (29 September 2003).\u00a0<a href=\"https:\/\/web.archive.org\/web\/20080303054854\/http:\/\/www.acig.org\/artman\/publish\/article_282.shtml\">&#8220;Georgia and Abkhazia, 1992\u20131993: the War of Datchas&#8221;<\/a>. acig.org. Archived from the original on 3 March 2008. Retrieved\u00a012 December\u00a02010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-114\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/aviation-safety.net\/wikibase\/wiki.php?id=76027\">&#8220;ASN Wikibase Occurrence #76027&#8221;<\/a>. Aviation Safety Network.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20171004135725\/https:\/\/aviation-safety.net\/wikibase\/wiki.php?id=76027\">Archived<\/a>\u00a0from the original on 4 October 2017. Retrieved\u00a04 October\u00a02017.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-115\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.popasmoke.com\/kia\/conflicts\/usmc-reserve\/incidents\/19720711\">&#8220;Incident Date 19720711 HMM-165 CH-53D 156658+ \u2013 Hostile Fire&#8221;<\/a>. Marine Corps Combat Helicopter Association (via popasmoke). Retrieved\u00a09 February\u00a02020.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-116\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.latimes.com\/archives\/la-xpm-1993-05-03-mn-30665-story.html\">&#8220;Crash Death, 3rd in 8 Years, Not Expected to Halt Future Shows&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Los_Angeles_Times\">Los Angeles Times<\/a><\/em>. 3 May 1993.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20101206162405\/http:\/\/articles.latimes.com\/1993-05-03\/news\/mn-30665_1_paris-air-show\">Archived<\/a>\u00a0from the original on 6 December 2010. Retrieved\u00a012 December\u00a02010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-117\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.latimes.com\/news\/nationworld\/world\/la-fgw-afghan-chopper-20110807,0,7157351.story\">&#8220;31 U.S. troops, 7 Afghans killed as insurgents down NATO chopper&#8221;<\/a>.\u00a0<em>Los Angeles Times<\/em>. 6 August 2011.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20110807062653\/http:\/\/www.latimes.com\/news\/nationworld\/world\/la-fgw-afghan-chopper-20110807,0,7157351.story\">Archived<\/a>\u00a0from the original on 7 August 2011. Retrieved\u00a06 August\u00a02011.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-118\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/www.dvidshub.net\/news\/139975\/2nd-battalion-4th-infantry-regiment-honors-33-their-own\">&#8220;2nd Battalion, 4th Infantry Regiment honors 33 of their own&#8221;<\/a>. dvids.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20200812012422\/https:\/\/www.dvidshub.net\/news\/139975\/2nd-battalion-4th-infantry-regiment-honors-33-their-own\">Archived<\/a>\u00a0from the original on 12 August 2020. Retrieved\u00a010 February\u00a02020.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-119\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.popasmoke.com\/kia\/incidents.php?incident_id=278&amp;conflict_id=32\">&#8220;Incident Date 050126 HMH-361 CH-53D \u2013 BuNo unknown \u2013 incident not yet classified \u2013 near Ar Rutbah, Iraq&#8221;<\/a>. Marine Corps Combat Helicopter Association (via popasmoke). 20 November 2007.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20100702061200\/http:\/\/www.popasmoke.com\/kia\/incidents.php?incident_id=278&amp;conflict_id=32\">Archived<\/a>\u00a0from the original on 2 July 2010. Retrieved\u00a012 December\u00a02010.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-120\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20131203033038\/http:\/\/www.fai.org\/fai-record-file\/?recordId=11659\">&#8220;Record File n\u00b011659&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=11659\">the original<\/a>\u00a0on 3 December 2013. Retrieved\u00a05 June\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-121\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105132908\/http:\/\/www.fai.org\/fai-record-file\/?recordId=784\">&#8220;Record File n\u00b0784&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=784\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a05 June\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-122\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105140347\/http:\/\/www.fai.org\/fai-record-file\/?recordId=15171\">&#8220;Record File n\u00b015171&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=15171\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a05 June\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-123\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20131203031025\/http:\/\/www.fai.org\/fai-record-file\/?recordId=754\">&#8220;Record File n\u00b0754&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=754\">the original<\/a>\u00a0on 3 December 2013. Retrieved\u00a010 September\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-124\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105140344\/http:\/\/www.fai.org\/fai-record-file\/?recordId=9918\">&#8220;Record File n\u00b09918&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=9918\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a05 June\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-125\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105134839\/http:\/\/www.fai.org\/fai-record-file\/?recordId=9917\">&#8220;Record File n\u00b09917&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=9917\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a05 June\u00a02013.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-126\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105141219\/http:\/\/www.fai.org\/fai-record-file\/?recordId=11597\">&#8220;Record File n\u00b011597&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=11597\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a017 August\u00a02012.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-127\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20150105141222\/http:\/\/www.fai.org\/fai-record-file\/?recordId=15629\">&#8220;Record File n\u00b015629&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale\">F\u00e9d\u00e9ration A\u00e9ronautique Internationale<\/a><\/em>. Archived from\u00a0<a href=\"http:\/\/www.fai.org\/fai-record-file\/?recordId=15629\">the original<\/a>\u00a0on 5 January 2015. Retrieved\u00a017 August\u00a02012.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-128\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/www.guinnessworldrecords.com\/world-records\/9000\/First-electric-helicopter\">&#8220;First electric helicopter&#8221;<\/a>.\u00a0<em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Guinness_World_Record\">Guinness World Record<\/a><\/em>. 4 August 2011.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140417005553\/http:\/\/www.guinnessworldrecords.com\/world-records\/9000\/First-electric-helicopter\/\">Archived<\/a>\u00a0from the original on 17 April 2014. Retrieved\u00a04 August\u00a02011.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Helicopter#cite_ref-129\">^<\/a><\/strong>\u00a0<a href=\"http:\/\/road.cc\/content\/news\/87980-video-canadians-win-long-unclaimed-250000-prize-pedal-powered-helicopter\">&#8220;Video: Canadians win long-unclaimed $250,000 prize for pedal-powered helicopter&#8221;<\/a>.\u00a0<em>John Stevenson<\/em>. 22 July 2013.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20140307234210\/http:\/\/road.cc\/content\/news\/87980-video-canadians-win-long-unclaimed-250000-prize-pedal-powered-helicopter\">Archived<\/a>\u00a0from the original on 7 March 2014. Retrieved\u00a06 February\u00a02014.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Bibliography\">3.2 \u6765\u6e90\u6587\u732e | Bibliography<\/h3>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li>Chiles, James R.\u00a0<em>The God Machine: From Boomerangs to Black Hawks: The Story of the Helicopter<\/em>. New York: Bantam Books, 2007.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-553-80447-2\">0-553-80447-2<\/a>.<\/li>\n\n\n\n<li>Cottez, Henri.\u00a0<em>Dictionnaire des structures du vocabulaire savant<\/em>. Paris: Les Usuels du Robert. 1980.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-85177-827-5\">0-85177-827-5<\/a>.<\/li>\n\n\n\n<li>Francillon, Ren\u00e9 J.\u00a0<em>McDonnell Douglas Aircraft since 1920: Volume II<\/em>. London: Putnam, 1997.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-85177-827-5\">0-85177-827-5<\/a>.<\/li>\n\n\n\n<li>Frawley, Gerard.\u00a0<em>The International Directory of Civil Aircraft, 2003\u20132004<\/em>. Fyshwick, Canberra, Act, Australia: Aerospace Publications Pty Ltd., 2003, p.\u00a0155.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/1-875671-58-7\">1-875671-58-7<\/a>.<\/li>\n\n\n\n<li>Munson, Kenneth.\u00a0<em>Helicopters and other Rotorcraft since 1907<\/em>. London: Blandford Publishing, 1968.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/978-0-7137-0493-8\">978-0-7137-0493-8<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/www.faa.gov\/library\/manuals\/aircraft\/\"><em>Rotorcraft Flying Handbook<\/em><\/a>. Washington: Skyhorse Publishing, Inc., 2007.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/1-60239-060-6\">1-60239-060-6<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/web.archive.org\/web\/20110606223247\/http:\/\/www.faa.gov\/library\/manuals\/aircraft\/media\/faa-h-8083-21.pdf\"><em>Rotorcraft Flying Handbook: FAA Manual H-8083-21<\/em><\/a>. Washington, D.C.: Federal Aviation Administration (Flight Standards Division), U.S. Dept. of Transportation, 2001.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/1-56027-404-2\">1-56027-404-2<\/a>.<\/li>\n\n\n\n<li>Thicknesse, P.\u00a0<em>Military Rotorcraft<\/em>\u00a0(Brassey&#8217;s World Military Technology series). London: Brassey&#8217;s, 2000.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/1-85753-325-9\">1-85753-325-9<\/a>.<\/li>\n\n\n\n<li>Watkinson, John. Art of the Helicopter. Oxford: Elsevier Butterworth-Heinemann, 2004.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-7506-5715-4\">0-7506-5715-4<\/a><\/li>\n\n\n\n<li>Wragg, David W.\u00a0<em>Helicopters at War: A Pictorial History<\/em>. London: R. Hale, 1983.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/ISBN_(identifier)\">ISBN<\/a>\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Special:BookSources\/0-7090-0858-9\">0-7090-0858-9<\/a>.<\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Engelbert_Zaschka\">Zaschka, Engelbert<\/a>.\u00a0<em>Drehfl\u00fcgelflugzeuge. Trag- und Hubschrauber<\/em>. Berlin-Charlottenburg: C. J. E. Volckmann Nachf. E. Wette, 1936.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/OCLC_(identifier)\">OCLC<\/a>\u00a0<a href=\"https:\/\/www.worldcat.org\/oclc\/20483709\">20483709<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u53c2\u8003\u6587\u732e\">4. \u4e2d\u6587\u8bcd\u6761\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5f15\u7528\">4.1 \u5f15\u7528<\/h3>\n\n\n\n<ol class=\"wp-block-list has-small-font-size\">\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-1\">^<\/a><\/strong>\u00a0Joseph Needham and Ling Wang (1965),\u00a0<em>Science and civilisation in China: Physics and physical technology, mechanical engineering<\/em>\u00a0Volume 4, Part 2, page 583.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-2\">^<\/a><\/strong>\u00a0\u300a<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E6%8A%B1%E6%9C%B4%E5%AD%90\">\u62b1\u6734\u5b50<\/a>\u300b\uff1a\u201c\u82e5\u80fd\u4e58\ud86c\udfcb\u8005\uff0c\u53ef\u4ee5\u5468\u6d41\u5929\u4e0b\uff0c\u4e0d\u62d8\u5c71\u6cb3\u3002\u51e1\u4e58\ud86c\udfcb\u9053\u6709\u4e09\u6cd5\uff1a\u4e00\u66f0\u9f99\ud86c\udfcb\u3001\u4e8c\u66f0\u864e\ud86c\udfcb\u3001\u4e09\u66f0\u9e7f\u5362\ud86c\udfcb\u3002\u6216\u670d\u7b26\u7cbe\u601d\uff0c\u82e5\u6b32\u884c\u5343\u91cc\uff0c\u5219\u4ee5\u4e00\u65f6\u601d\u4e4b\u3002\u82e5\u663c\u591c\u5341\u4e8c\u65f6\u601d\u4e4b\uff0c\u5219\u53ef\u4ee5\u4e00\u65e5\u4e00\u5915\u884c\u4e07\u4e8c\u5343\u91cc\uff0c\u4ea6\u4e0d\u80fd\u8fc7\u6b64\uff0c\u8fc7\u6b64\u5f53\u66f4\u601d\u4e4b\uff0c\u5982\u524d\u6cd5\u3002\u6216\u7528\u67a3\u5fc3\u6728\u4e3a\u98de\u8f66\uff0c\u4ee5\u725b\u9769\u7ed3\u73af\u5251\u4ee5\u5f15\u5176\u673a\uff0c\u6216\u5b58\u5ff5\u4f5c\u4e94\u86c7\u516d\u9f99\u4e09\u725b\u4ea4\u7f61\u800c\u4e58\u4e4b\uff0c\u4e0a\u5347\u56db\u5341\u91cc\uff0c\u540d\u4e3a\u592a\u6e05\u3002\u201d<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-3\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20181123021554\/http:\/\/www.sohu.com\/a\/274870766_100028727\">\u5386\u53f2\u4e0a\u7684\u4eca\u5929\u2014\u20141907\u5e7411\u670813\u65e5\uff0c\u4e16\u754c\u4e0a\u7b2c\u4e00\u67b6\u76f4\u5347\u98de\u673a\u5728\u6cd5\u56fd\u98de\u8d77_\u7af9\u873b\u8713<\/a>. www.sohu.com.\u00a0[2022-01-01]. \uff08<a href=\"https:\/\/www.sohu.com\/a\/274870766_100028727\">\u539f\u59cb\u5185\u5bb9<\/a>\u5b58\u6863\u4e8e2018-11-23\uff09\u00a0<strong>\uff08\u82f1\u8bed\uff09<\/strong>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-4\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/142820390\">\u7a7f\u8d8a\u767e\u5e74\u770b\u76f4\u5347\u673a\u7684\u53d1\u5c55\u5386\u53f2<\/a>. \u77e5\u4e4e\u4e13\u680f.\u00a0[2022-01-01]. \uff08\u539f\u59cb\u5185\u5bb9<a href=\"https:\/\/web.archive.org\/web\/20220101125130\/https:\/\/zhuanlan.zhihu.com\/p\/142820390\">\u5b58\u6863<\/a>\u4e8e2022-01-01\uff09\u00a0<strong>\uff08\u4e2d\u6587\uff09<\/strong>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-5\">^<\/a><\/strong>\u00a0\u674e\u6167\u598d.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20220610114915\/https:\/\/www.hk01.com\/%E7%A4%BE%E6%9C%83%E6%96%B0%E8%81%9E\/202957\/%E4%B8%96%E7%95%8C%E7%9B%B4%E5%8D%87%E6%A9%9F%E6%97%A5-10%E6%9E%B6%E7%9B%B4%E5%8D%87%E6%A9%9F%E7%8F%BE%E8%BA%AB%E4%B8%AD%E7%92%B0%E6%B5%B7%E6%BF%B1-%E5%85%8D%E8%B2%BB%E7%99%BB%E6%A9%9F%E4%BB%BB-%E6%89%93%E5%8D%A1\">\u300c\u4e16\u754c\u76f4\u5347\u6a5f\u65e5\u300d10\u67b6\u76f4\u5347\u6a5f\u73fe\u8eab\u4e2d\u74b0\u6d77\u6ff1 \u514d\u8cbb\u767b\u6a5f\u4efb\u300c\u6253\u5361\u300d<\/a>. \u9999\u6e2f01. 2018-06-24\u00a0[2022-06-10]. \uff08<a href=\"https:\/\/www.hk01.com\/%E7%A4%BE%E6%9C%83%E6%96%B0%E8%81%9E\/202957\/%E4%B8%96%E7%95%8C%E7%9B%B4%E5%8D%87%E6%A9%9F%E6%97%A5-10%E6%9E%B6%E7%9B%B4%E5%8D%87%E6%A9%9F%E7%8F%BE%E8%BA%AB%E4%B8%AD%E7%92%B0%E6%B5%B7%E6%BF%B1-%E5%85%8D%E8%B2%BB%E7%99%BB%E6%A9%9F%E4%BB%BB-%E6%89%93%E5%8D%A1\">\u539f\u59cb\u5185\u5bb9<\/a>\u5b58\u6863\u4e8e2022-06-10\uff09\u00a0<strong>\uff08\u4e2d\u6587\uff08\u9999\u6e2f\uff09\uff09<\/strong>.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-6\">^<\/a><\/strong>\u00a0<a href=\"https:\/\/kaypius.com\/2016\/08\/14\/wheel-versus-skids-who-wins\/\">WHEEL VERSUS SKIDS \u2013 WHO WINS?<\/a>.\u00a0[2020-07-08]. \uff08\u539f\u59cb\u5185\u5bb9<a href=\"https:\/\/web.archive.org\/web\/20210310020417\/https:\/\/kaypius.com\/2016\/08\/14\/wheel-versus-skids-who-wins\/\">\u5b58\u6863<\/a>\u4e8e2021-03-10\uff09.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%9B%B4%E5%8D%87%E6%A9%9F#cite_ref-7\">^<\/a><\/strong>\u00a0David Crist.\u00a0<a href=\"https:\/\/apps.dtic.mil\/dtic\/tr\/fulltext\/u2\/a105512.pdf\">HELICOPTER LANDING GEAR DESIGN AND TEST CRITERIA INVESTIGATIONj<\/a>\u00a0(PDF). 1981-08\u00a0[2020-07-08]. \uff08\u539f\u59cb\u5185\u5bb9<a href=\"https:\/\/web.archive.org\/web\/20210310015918\/https:\/\/apps.dtic.mil\/dtic\/tr\/fulltext\/u2\/a105512.pdf\">\u5b58\u6863<\/a>\u00a0(PDF)\u4e8e2021-03-10\uff09.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u6765\u6e90\">4.2 \u6765\u6e90<\/h3>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li>Chiles, James R.\u00a0<em>The God Machine: From Boomerangs to Black Hawks: The Story of the Helicopter<\/em>. New York: Bantam Books, 2007.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/0553804472\">ISBN 0-553-80447-2<\/a>.<\/li>\n\n\n\n<li>Cottez, Henri.\u00a0<em>Dictionnaire des structures du vocabulaire savant<\/em>. Paris: Les Usuels du Robert. 1980.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/0851778275\">ISBN 0-85177-827-5<\/a>.<\/li>\n\n\n\n<li>Francillon, Ren\u00e9 J.\u00a0<em>McDonnell Douglas Aircraft since 1920: Volume II<\/em>. London: Putnam, 1997.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/0851778275\">ISBN 0-85177-827-5<\/a>.<\/li>\n\n\n\n<li>Frawley, Gerard.\u00a0<em>The International Directory of Civil Aircraft, 2003\u20132004<\/em>. Fyshwick, Canberra, Act, Australia: Aerospace Publications Pty Ltd., 2003, p.\u00a0155.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/1875671587\">ISBN 1-875671-58-7<\/a>.<\/li>\n\n\n\n<li>Munson, Kenneth.\u00a0<em>Helicopters and other Rotorcraft since 1907<\/em>. London: Blandford Publishing, 1968.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/9780713704938\">ISBN 978-0-7137-0493-8<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/www.faa.gov\/library\/manuals\/aircraft\/\"><em>Rotorcraft Flying Handbook.<\/em><\/a>\u00a0\uff08<a href=\"https:\/\/web.archive.org\/web\/20110606223247\/http:\/\/www.faa.gov\/library\/manuals\/aircraft\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09 Washington: Skyhorse Publishing, Inc., 2007.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/1602390606\">ISBN 1-60239-060-6<\/a>.<\/li>\n\n\n\n<li><a href=\"http:\/\/www.faa.gov\/library\/manuals\/aircraft\/media\/faa-h-8083-21.pdf\"><em>Rotorcraft Flying Handbook: FAA Manual H-8083-21.<\/em><\/a>\u00a0\uff08<a href=\"https:\/\/web.archive.org\/web\/20110606223247\/http:\/\/www.faa.gov\/library\/manuals\/aircraft\/media\/faa-h-8083-21.pdf\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<em>. Washington, D.C.: Federal Aviation Administration (Flight Standards Division), U.S. Dept. of Transportation, 2001.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/1560274042\">ISBN 1-56027-404-2<\/a>.<\/em><\/li>\n\n\n\n<li>Thicknesse, P.\u00a0<em>Military Rotorcraft<\/em>\u00a0(Brassey&#8217;s World Military Technology series). London: Brassey&#8217;s, 2000.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/1857533259\">ISBN 1-85753-325-9<\/a>.<\/li>\n\n\n\n<li>Watkinson, John. Art of the Helicopter. Oxford: Elsevier Butterworth-Heinemann, 2004.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/0750657154\">ISBN 0-7506-5715-4<\/a><\/li>\n\n\n\n<li>Wragg, David W.\u00a0<em>Helicopters at War: A Pictorial History<\/em>. London: R. Hale, 1983.\u00a0<a href=\"https:\/\/zh.wikipedia.org\/wiki\/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90\/0709008589\">ISBN 0-7090-0858-9<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"External_links\">5. \u5916\u90e8\u94fe\u63a5 | External links<\/h2>\n\n\n\n<p>Wikimedia Commons has media related to\u00a0<strong><em><a href=\"https:\/\/commons.wikimedia.org\/wiki\/Category:Helicopters\">Helicopters<\/a><\/em><\/strong>. \/ <a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E7%BB%B4%E5%9F%BA%E5%85%B1%E4%BA%AB%E8%B5%84%E6%BA%90\">\u7ef4\u57fa\u5171\u4eab\u8d44\u6e90<\/a>\u4e0a\u7684\u76f8\u5173\u591a\u5a92\u4f53\u8d44\u6e90\uff1a<a href=\"https:\/\/commons.wikimedia.org\/wiki\/Category:Helicopters\"><strong>\u76f4\u5347\u673a<\/strong><\/a><\/p>\n\n\n\n<p>Look up&nbsp;<em><strong><a href=\"https:\/\/en.wiktionary.org\/wiki\/helicopter\">helicopter<\/a><\/strong><\/em>&nbsp;in Wiktionary, the free dictionary.<\/p>\n\n\n\n<ul class=\"wp-block-list has-small-font-size\">\n<li><a href=\"http:\/\/www.helicopterpage.com\/\">&#8220;Helicopterpage.com \u2013 How Helicopters Work&#8221;<\/a>\u00a0Complete site explaining different aspects of helicopters and how they work.<\/li>\n\n\n\n<li><a href=\"https:\/\/books.google.com\/books?id=IikDAAAAMBAJ&amp;dq=Popular+Science+1932+plane&amp;pg=PA13\">&#8220;Planes That Go Straight Up&#8221;<\/a>. 1935 article about early development and research into helicopters.<\/li>\n\n\n\n<li><a href=\"https:\/\/books.google.com\/books?id=EikDAAAAMBAJ&amp;pg=PA58\">&#8220;Flights\u00a0\u2014 of the Imagination&#8221;<\/a>. 1918 article on helicopter design concepts.<\/li>\n\n\n\n<li><a href=\"https:\/\/books.google.com\/books?id=lNsDAAAAMBAJ&amp;dq=Popular+Science+1936+plane+%22Popular+Mechanics%22&amp;pg=PA577\">&#8220;Twin Windmill Blades Fly Wingless Ship&#8221;<\/a>\u00a0<em>Popular Mechanics<\/em>, April 1936<\/li>\n\n\n\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=rx565dqF-5M&amp;t=103s\">Silent (Russian-language intertitled) video about the Cheremukhin\/Yuriev TsAGI 1-EA pioneer helicopter<\/a><\/li>\n\n\n\n<li>Graham Warwick (17 June 2016).\u00a0<a href=\"http:\/\/aviationweek.com\/vertical-flight\/how-helicopter-has-developed\">&#8220;How The Helicopter Has Developed&#8221;<\/a>.\u00a0<em>Aviation Week &amp; Space Technology<\/em>. Getting from idea to reality took far longer for the helicopter than for the fixed-wing aircraft.<\/li>\n\n\n\n<li><a href=\"http:\/\/www.vtol.org\">American Helicopter Society<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20110831070832\/http:\/\/www.vtol.org\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<\/li>\n\n\n\n<li><a href=\"https:\/\/web.archive.org\/web\/20090707223450\/http:\/\/www.quad-a.org\/\">Army Aviation Association of America<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.helicopterlinks.com\">Helicopter Links &#8211; companies, organizations, museums, trade\/air shows<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20190504071745\/http:\/\/www.helicopterlinks.com\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<\/li>\n\n\n\n<li><a href=\"http:\/\/www.howstuffworks.com\/\u76f4\u5347\u6a5f.htm\">\u76f4\u5347\u673a<\/a> \u5728<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E5%8D%9A%E9%97%BB%E7%BD%91\">\u535a\u95fb\u7f51<\/a>\u4e0a<\/li>\n\n\n\n<li><a href=\"http:\/\/www.rotor.com\/\">Helicopter Association International<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20090228220948\/http:\/\/www.rotor.com\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<\/li>\n\n\n\n<li><a href=\"http:\/\/www.helis.com\/\">Helicopter history site<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20090426034307\/http:\/\/www.helis.com\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<\/li>\n\n\n\n<li><a href=\"http:\/\/www.helicopterphotos.net\">Helicopter photo gallery<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20190504054149\/http:\/\/www.helicopterphotos.net\/\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09<\/li>\n\n\n\n<li><a href=\"https:\/\/web.archive.org\/web\/20190502164444\/http:\/\/www.rotaryaction.com\/\">Rotary Action &#8211; guide to helicopters in movies and TV<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/patimg2.uspto.gov\/.piw?Docid=01848389&amp;homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D1848389.PN.%2526OS%3DPN%2F1848389%2526RS%3DPN%2F1848389&amp;PageNum=&amp;Rtype=&amp;SectionNum=&amp;idkey=NONE&amp;Input=View+first+pageUS\">US patent #1848389 &#8211; Sikorsky&#8217;s helicopter patent (requires Quicktime plugin)<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20080530192600\/http:\/\/patimg2.uspto.gov\/.piw?Docid=01848389&amp;homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D1848389.PN.%2526OS%3DPN%2F1848389%2526RS%3DPN%2F1848389&amp;PageNum=&amp;Rtype=&amp;SectionNum=&amp;idkey=NONE&amp;Input=View+first+pageUS\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09.<\/li>\n\n\n\n<li><a href=\"http:\/\/www.archive.org\/details\/Helicopt1953\">1953 archive video about uses and flight physics of helicopters <\/a>, (features vintage models). Published by <em>Encyclop\u00e6dia Britannica<\/em> but now Creative Commons license, Prelinger Archives.<\/li>\n\n\n\n<li><a href=\"http:\/\/books.google.com\/books?id=EikDAAAAMBAJ&amp;pg=PA58\">&#8220;Flights &#8212; of the Imagination: airships that soar only in the day-dreams of their inventors&#8221; 1918 <em>Popular Science<\/em> article on various imagined and suggested helicopter design concepts \u2013<\/a> \uff08<a href=\"https:\/\/web.archive.org\/web\/20131102202639\/http:\/\/books.google.com\/books?id=EikDAAAAMBAJ&amp;pg=PA58\">\u9875\u9762\u5b58\u6863\u5907\u4efd<\/a>\uff0c\u5b58\u4e8e<a href=\"https:\/\/zh.wikipedia.org\/wiki\/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86\">\u4e92\u8054\u7f51\u6863\u6848\u9986<\/a>\uff09, <em><a href=\"https:\/\/zh.wikipedia.org\/wiki\/Popular_Science\">Popular Science<\/a><\/em> monthly, December 1918, pp.\u00a058\u201359.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u6587\u8bcd\u6761\u539f\u6587\u94fe\u63a5\uff08\u65e0\u6cd5\u4ece\u4e2d\u56fd\u5185\u5730\u8bbf\u95ee\uff09\uff1a\u8bf7\u70b9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[84],"tags":[155,101],"class_list":["post-5524","post","type-post","status-publish","format-standard","hentry","category-aircraft","tag-155","tag-101"],"_links":{"self":[{"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/posts\/5524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/comments?post=5524"}],"version-history":[{"count":0,"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/posts\/5524\/revisions"}],"wp:attachment":[{"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/media?parent=5524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/categories?post=5524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cathayvista.top\/index.php\/wp-json\/wp\/v2\/tags?post=5524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}