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Hubschrauber
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Theoretical mathematical discussion of aerodynamics of rotary blade flying machines
Theoretical mathematical discussion of aerodynamics of rotary blade flying machines
Theoretical mathematical discussion of aerodynamics of rotary blade flying machines
Aerodynamic analysis of gyroplane rotating-wing system
Gyroplane -- Its principles and its possibilities
Aerodynamics of Wilford gyroplane with special reference to maximum lift coefficients
Aerodynamics of Wilford gyroplane with special reference to maximum lift coefficients
Wind-tunnel tests of 10-foot-diameter gyroplane rotor
Notes on problems and progress of gyroplanes
Kay 331 gyroplane (British), all-metal single-seat light rotor plane
Kay 331 gyroplane (British), all-metal single-seat light rotor plane
Contribution to aerodynamics of rotating wing aircraft