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Igor Sikorsky's VS-300 Helicopter Transformed Aviation 75 Years Ago
2014-09-13 02:34:39| Industrial Machines - Topix.net
The first flight event began a four-year test program that proved the efficiency of Sikorsky's single rotor design, gave birth to a global helicopter industry, and forever changed the course of aviation history. "Tens of thousands of helicopters today fly the world's skies, and the configuration almost all of them use is a single main rotor coupled to an anti-torque tail rotor.
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