Synonyme wurden verwendet für:
HELICOPTERS
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keywords:(HELICOPTERS)
Kay 331 gyroplane (British), all-metal single-seat light rotor plane
Notes on problems and progress of gyroplanes
Contribution to aerodynamics of rotating wing aircraft
Aerodynamics of Wilford gyroplane with special reference to maximum lift coefficients
Aerodynamics of Wilford gyroplane with special reference to maximum lift coefficients
Operational history and experience with boeing helicopters
Place of helicopter in megalopolitan transport system
Operational concept of integrated helicopter avionics system
Helicopters and propeller-type VTOL aircraft in light of technologies
Transportation of drilling equipment by helicopters
Theoretical method for calculating flexure and stresses in helicopter rotor blades