Amusement devices: toys – Aerodynamically supported or retarded – Having motor-driven propeller
Patent
1989-04-14
1992-01-07
Yu, Mickey
Amusement devices: toys
Aerodynamically supported or retarded
Having motor-driven propeller
446 34, 244 54, A63H 2724
Patent
active
050786385
ABSTRACT:
One feature of the present invention is a removable power and control module for a model airplane wherein the module mounts a great majority of the model airplane components such as the propeller, engine, gas tank, battery, radio receiver and servo motors. Accordingly, since the module is removable, repair and replacement of parts is facilitated. Another feature of the present invention is a number of levels of vibration isolators. One set of vibration suppressing soft mounts isolates the engine from the rest of the module; another set of soft mounts isolates the module from the model airplane. The soft mounts suppress engine produced vibrations which would otherwise be transmitted to the fuselage and skin-like covering of the model airplane and the airplane components. Since such vibrations contribute to the noise of a model airplane and to wear and tear on the airplane components, a quieter and more durable model airplane is an end result.
REFERENCES:
patent: 3590517 (1971-07-01), Regehr et al.
patent: 3777420 (1973-12-01), Bosley et al.
patent: 3908305 (1975-09-01), Schroeder
patent: 3914899 (1975-10-01), Mabuchi
patent: 4027226 (1977-06-01), Schroeder
patent: 4226292 (1980-10-01), Monte et al.
patent: 4249711 (1981-02-01), Godbersen
Radio Control Modeler, Mar. 1987, p. 117, P.O. Box 487, Sierra Madre, Calif. 91024.
WO 8603985, Publication date: Jul. 1986, Reginato.
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