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Sikorsky S-72
US experimental compound helicopter (hybrid helicopter/fixed-wing aircraft) / From Wikipedia, the free encyclopedia
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The Sikorsky S-72 was an experimental Sikorsky Aircraft compound helicopter developed as the Rotor Systems Research Aircraft (RSRA) for the National Aeronautics and Space Administration (NASA) and the United States Army. The RSRA was a testbed for rotor and propulsion systems for high-speed.[1]
Quick Facts S-72 RSRA, Role ...
S-72 RSRA | |
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The S-72 in flight with a main rotor | |
Role | Experimental compound helicopter |
Manufacturer | Sikorsky Aircraft |
First flight | 12 October 1976 |
Number built | 2 |
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