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keywords:(helicopter motor)
Response of a helicopter rotor to oscillatory pitch and throttle movements
RESULTS OF SOME WIND TUNNEL AND FLIGHT STUDIES WITH HELICOPTERS AT NASA
A summary of hingeless-rotor structural loads and dynamics research.
HELICOPTER DESIGN IMPROVEMENTS POSSIBLE WITH LOW DISC LOADING CONCEPT RETAINED
An analytical study of the steady vertical descent in autorotation of single-rotor helicopters
CONSIDERATIONS OF METHODS OF IMPROVING HELICOPTER EFFICIENCY
Hovering performance characteristics of a rotor with and without blade-pitch servo-control flaps
Stability characteristics of a tandem-rotor transport helicopter as determined by flight test