Hang glider

Details Hang glider Hang glider

1974-05-03

1976-02-03

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane sustained

244DIG1, B64C 3102

Patent

active

039360121

ABSTRACT:
A device capable of flight comprising a frame including first and second leading edte members, a keel interconnected to the leading edge members, a first cross member attached to the keel and to the first leading edge member, and a second cross member attached to the keel. The second cross member is attached to the second leading edge member by a collar slidably mounted on the second cross member. A sail of flexible material is attached to the frame. The position of the collar along the second cross member can be adjusted to vary the billow of the sail.

REFERENCES:
patent: 881837 (1908-03-01), Whitehead
patent: 1984229 (1934-12-01), Neary
patent: 3135482 (1964-06-01), Girard
patent: 3140842 (1964-07-01), Craigo et al.
patent: 3796399 (1974-03-01), Wechsler
Frank G. Kelly, "Flexi-Flyer", Apr. 1974, pp. 21-24, American Aircraft Modeler.
Paul Wahl, "Hang Gliders", June, 1972, pp. 92-94 and 130, Popular Science.

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