Designer of PV-3, first tandem twin rotor helicopter, outlines specific helicopter weaknesses in need of correction by specialists; problems considered are clutch and transmission, rotor disk loading, blade forces and blade control, blade fastenings, rotor speed, and engine cooling.
Engineering problems of helicopter
Soc Automotive Engrs -- J
Society of Automotive Engineers -- Journal ; 55 , n 12
1947
4 pages
Aufsatz (Zeitschrift)
Englisch
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ENGINEERING PROBLEMS OF THE HELICOPTER
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