Remote controlled helicopter

Details Remote controlled helicopter Remote controlled helicopter

1989-06-20

1991-01-01

Hafer, Robert A.

Amusement devices: toys

Aerodynamically supported or retarded

Including rotary wing

446 30, 446456, 244 1713, A63H 27127, A63H 2704, A63H 3004, B64C 1134

Patent

active

049814567

ABSTRACT:
Several embodiments of remote controlled helicopters wherein the longitudinal position of the helicopter is controlled by means of a tether wire affixed to the rear of the helicopter. In some embodiments, the connection of the tether wire to the fuselage is such that at least a portion of the torque created on the fuselage by the rotation of the main rotor is absorbed by the tether wire.

REFERENCES:
patent: 2885206 (1959-05-01), Ensley
patent: 2921743 (1960-01-01), Westover
patent: 3053533 (1962-09-01), Weymouth
patent: 3089278 (1963-05-01), Brinkley
patent: 3857194 (1974-12-01), Guttman
patent: 4161843 (1979-07-01), Hui
patent: 4272041 (1981-06-01), Mabuchi et al.
patent: 4406085 (1983-09-01), Rhodes
patent: 4604075 (1986-08-01), Richards et al.
patent: 4729750 (1988-03-01), Prusman
patent: 4765567 (1988-08-01), Gutman et al.

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