Discussion of generic design comprising single lift screw of large diameter rotating about generally vertical axis; advantage of rotor tilt; effect of feathering; performance; experimental confirmation; need for torque counteraction; power losses; countervane principle; static lift theory; vertical ascent and descent; arrangement of vanes; countervane efficacy in forward flight; results of tests with wind; effect of vanes on performance.
Helicopter: Propulsion and torque
J Aeronautical Sciences
Journal of Aeronautical Sciences ; 3 , n 11 ; p 398-405
1936
8 pages
Aufsatz (Zeitschrift)
Englisch
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NTIS | 1981
NTIS | 1968
NTIS | 1981
Helicopter Propulsion Systems : Papers
TIBKAT | 1981