Toy aircraft with vertical flight dynamics

Details Toy aircraft with vertical flight dynamics Toy aircraft with vertical flight dynamics

1994-12-13

1996-02-20

Yu, Mickey

Amusement devices: toys

Aerodynamically supported or retarded

Including rotary wing

446 37, A63H 27127

Patent

active

054924944

ABSTRACT:
A hobby aircraft arranged for vertical flight aerodynamics. A substantially-planar body is symmetrical about a central axis. An upper blade is fixed to the bottom of the body. An elastic band is aligned with the central axis for powering a lower blade that is in spaced relation to the upper blade. Rotation of the second blade is controlled by means of a locking mechanism to assure that gravity alone powers the final stage of aircraft flight.

REFERENCES:
patent: 2138168 (1938-11-01), Horak
patent: 2418269 (1947-04-01), Lewis
patent: 2845746 (1958-08-01), McKinney
patent: 3222816 (1965-12-01), Effinger, Jr. et al.

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