Gyroscopic flying device

Details Gyroscopic flying device Gyroscopic flying device

1998-09-25

2000-04-11

Nguyen, Kien T.

Amusement devices: toys

Aerodynamically supported or retarded

Glider

A63H 2708

Patent

active

060482451

ABSTRACT:
A free spinning gyroscopic device has a hollow body with leading and following open ends, in which the outside perimeter of the leading open end has particular relationships to other characteristics of the device. In one aspect, the perimeter may advantageously measure at least 600, 800, 1000, 2000, 3000 or 4000 times the average thickness of the leading edge, or 150, 200, 250, 500, 750, or 1000 times the point of greatest thickness of the body. In another aspect, the perimeter may advantageously measure at least 4.7, 5.0, 7.5 or 10, times the length of the body. In another aspect, the perimeter may advantageously measure at least 9 inches, 12 inches, 15 inches, or 20 inches.

REFERENCES:
patent: 4151674 (1979-05-01), Klahn et al.
patent: 4390148 (1983-06-01), Cudmore
patent: 4790788 (1988-12-01), Hill
patent: 5352144 (1994-10-01), Kuhn
patent: 5397261 (1995-03-01), Malewicki et al.
patent: 5810637 (1998-09-01), Mileti

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