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Who invented helicopter? Fr ee po ints |
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Answer» tion:On September 14, 1939, the VS-300, the world's first practical helicopter, took flight at Stratford, CONNECTICUT. Designed by IGOR Sikorsky and built by the Vought-Sikorsky Aircraft DIVISION of the United Aircraft Corporation, the helicopter was the first to INCORPORATE a single main rotor and tail rotor design. |
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