Brief illustrated description of Weir and Pullin helicopter; rotor is driven by jet reaction applied to blades and practically all control is vested in rotor; feature in design is that of utilizing jet reaction nozzles for mass balancing rotor-blades.
Jet-propelled helicopter
Aeroplane
Aeroplane ; 66 , n 1711
1944
Aufsatz (Zeitschrift)
Englisch
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