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Anton Flettner, Flugzeugbau GmbH was a German helicopter and autogyro manufacturer during World War II, founded by Anton Flettner. Flettner aircraft included: *Flettner Fl 184 - Reconnaissance autogyro, prototype *Flettner Fl 185 - Reconnaissance helicopter, prototype *Flettner Fl 265 - Reconnaissance helicopter, prototype *Flettner Fl 282 ''Kolibri'' (Hummingbird) - Reconnaissance helicopter *Flettner Fl 339 - Reconnaissance helicopter, project *Flettner Gigant - Experimental helicopter Anton Flettner's interest in aerodynamics (specifically the Magnus effect, which produces a force from a cylinder rotating in a fluid flow) also led him to invent the Flettner rotor which he used to power a Flettner ship which crossed the Atlantic, and the Flettner ventilator which is still widely used as a cooling device for buses, vans and other commercial vehicles and which is based upon the Savonius principle. ==See also== *Gyrodyne 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Flettner」の詳細全文を読む スポンサード リンク
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