主题:【原创】美国的空中铁拳向何处去? -- 晨枫
Boeing X-50
From Wikipedia, the free encyclopedia
The Boeing X-50A Dragonfly, formerly known as the Canard Rotor/Wing Demonstrator, is a gyrodyne unmanned aerial vehicle that was being developed by Boeing and DARPA to demonstrate the principle that a helicopter's rotor can be stopped in flight and act as a fixed wing. The X-50A builds upon the work of the Sikorsky X-Wing program of the 1980s by designing the vehicle as a multi-mode aircraft from the ground up. The X-50A is one of two projects funded by DARPA in its "Heliplane" program.[1]
1. ^ a b c d e McKenna, James T. "One Step Beyond", Rotor & Wing, February, 2007, page 54
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🙂这个就有点死无对证了 1 晨枫 字72 2008-04-12 20:37:07
🙂当初B-29的原型机也叫XB-29的~ 1 北京阿新 字67 2008-04-15 07:11:18
🙂不,XB70属于B编号,不属于X系列 1 wydygo 字85 2008-04-13 05:25:30
🙂搜了一把,是这个么?
🙂不是。有人已经指出了,空的是X48 1 wydygo 字0 2008-04-15 07:52:38
🙂X48在wiki上也有文章呀 1 punishment 字133 2008-04-15 08:06:55
🙂您把“从X1—X53”的链接给我吧,我看看,我最开始 1 wydygo 字118 2008-04-15 08:19:32
🙂谢谢! 1 punishment 字3373 2008-04-15 12:12:57