Development of design capable of production as large capacity vehicle, effective in all phases of short and medium haul transportation by Convertawings Inc, Amityville, LI; basic layout comprises four rotors disposed in tandem pairs, and supported on booms.
Four-rotor helicopter
Aeroplane
Aeroplane ; 90 , n 2339
1956
3 pages
Article (Journal)
English
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ROTOR HEAD OF HELICOPTER, MULTI-ROTOR TYPE HELICOPTER AND HELICOPTER
European Patent Office | 2017
|NTIS | 1971
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