Add Yahoo as a preferred source to see more of our stories on Google. 0 18 rah 66 comanche prototype US Army Like cursed penguins, a whole barrage of helicopter designs has failed to make it. From ...
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The strange British airliner that could land in the city and fly like a plane
The Fairey Rotodyne looked like something aviation should never have allowed to exist. Part helicopter, part airliner, and part bus, it could rise vertically from tight urban spaces and then ...
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11 Fascinating Cancelled Helicopters
Like cursed penguins, a whole barrage of helicopter designs has failed to make it. From advanced stealth helicopters that cost billions, to sleek gunships and vast flying cranes that proved too much, ...
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