Synonyme wurden verwendet für:
HELICOPTERS
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keywords:(HELICOPTERS)
XH-51a compound research flight test program
XA-5 "top sergeant" -- New pulse-jet 'copter
Wind-tunnel tests of 10-foot-diameter gyroplane rotor
Wind-tunnel studies of performance of multirotor configurations
Will captive helicopters replace the observation balloon?
What's wrong with today's helicopters?
What is helicopter's true commercial future?
Westland's largest [midline ellipsis] Westminster
Vulnerability and crashworthiness in design of rotary wing vehicle structures
Vision and courage in helicopter design
Vibrations of helicopter rotor-fuselage system induced by main rotor blades in flight
Vibrations of helicopter rotor-fuselage system induced by main rotor blades in flight
Vertol 44 certificated for commercial operation
Vertical vibrations of helicopter rotor blades
Vertical flight in common carrier transportation
Variable speed constant frequency generating system for helicopter applications