Model helicopter device

Details Model helicopter device Model helicopter device

1978-09-01

1981-06-09

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

46 75, 416 43, B64C 2782

Patent

active

042720419

ABSTRACT:
A model helicopter device wherein a countertorque generated in the helicopter body by changes in the revolution of a main rotor is canceled by substantially detecting the acceleration of the revolution of the main rotor and automatically adjusting the pitch of tail rotor blades in accordance with the detected acceleration.

REFERENCES:
patent: 2350126 (1944-05-01), Pitcairn

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