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This aircraft never flew. The official designation of the aircraft was the XF-5U-1, which was

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to be a high-performance Navy fighter. However, a low-powered, lightly loaded version of this

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craft called the V-173 made a large number of successful flights. I conceived the original

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idea for this craft back in 1933. It would be possible, using modern turboprop engines,

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to build a machine of this type which would be capable of hovering and of also flying at all

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forward speeds up to possibly 550 or 600 miles per hour.