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NASA斜翼飞机 世上最奇特的机翅膀


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NASA (美国国家航空航天局)自1970年开始研发代号为AD-1(Ames-Dryden-1)的斜翼飞机,在1979至1982年这架飞机飞行了79次,至今已经有30年的历史。与常见的飞机不同之处在于它的机翼,整个机翼非固定,可以围绕中心转轴活动,最多可以有60度的转动方向-见图3,因此这机翼的设计也被称为“剪刀”翼。可以根据飞机飞行的速度,调整机翼最有效的角度,在高速飞行时转动机翼可以减少飞行中的阻力,在低速时机翼将不会活动。

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