Oddly designed ornithopter flying machine with paddle-wheel like propellers being tested in Chicago,Illinois
Chicago Illinois USA Date:1925 Duration:1 min 16 sec Sound:NO SOUND
Failed flying machine helicopter device being tested in Chicago,Illinois. Men work on the helicopter-like aircraft and start its rotor blades moving. They are oriented on end similar to paddle boat wheels. They spin rapidly but the flying machine fails to lift off.
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