Historical development of helicopter; current and projected applications of one type of VTOL -- multirotor design; advantages include utilization of concept of multilifting rotor configurations in helicopter design to provide compensation for lifting-rotor torque while using all rotors for lift; some multilifting rotor VTOL aircraft that may appear within next decade are previewed; they include special heavy-lift application, hybrid types -- tilt-wing and tilt-rotor configurations that enable craft to both hover as helicopter and fly as airplane. (46664)
Multirotor VTOL aircraft
Mech Eng
Mechanical Engineering ; 90 , n 9
1968
7 pages
Article (Journal)
English
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