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Sikorsky X-2 completed two flight tests
Stratford, USA - The counter-rotating coaxial rotor helicopter will be the fastest in the world
The Sikorsky X-2 technology demonstrator has completed two test flights that included full engagement of the distinctive propeller for the first time. In one hour of testing conducted in two flights, the aircraft flew at speeds reaching 52 knots in one test and 42 knots with the propeller providing forward thrust in the second flight. The X-2 is designed to reach speeds of 250 knots, or twice as fast...
AVIONEWS - World Aeronautical Press Agency - 1107107
AVIONEWS - World Aeronautical Press Agency
AVIONEWS - World Aeronautical Press Agency