[問題]同軸反轉螺旋槳
俄國的卡默設計局很喜歡這種設計
http://en.wikipedia.org/wiki/File:Kamov_Ka-27PS.JPEG
Tu-95也有用同軸反轉螺旋槳
http://en.wikipedia.org/wiki/File:Tupolev_Tu-95_Marina.jpg
這種設計其他國家有在玩嗎?
聽說可以獲得不錯的升力,而且可抵消偏向某一邊的力矩
但結構應該也頗複雜吧...?結構重量也會增加?
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