Aeronautics and astronautics – Aircraft – heavier-than-air – Airplanes – weight diminished by bouyant gas
Patent
1994-03-03
1995-06-20
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplanes, weight diminished by bouyant gas
244 25, 244 45R, D12335, B64B 120, B64B 122
Patent
active
054255155
ABSTRACT:
The object of the invention is to provide an aircraft which is capable of being enhanced in speed and preventing a crash even when a propeller does not operate to provide thrust to the aircraft. A wing which is an envelope made of a flexible material is comprised on an upper side of a aircraft body, and is filled with a gas with a specific gravity less than that of air. Moreover, the aircraft body is provided with a propeller.
REFERENCES:
patent: D113019 (1939-01-01), Silverstein
patent: D211612 (1908-07-01), De Asis
patent: D231490 (1974-04-01), Cernuda
patent: 1853653 (1932-04-01), Babula
patent: 1874468 (1932-08-01), Douglas
patent: 2382817 (1945-08-01), Reiss
patent: 2678783 (1954-05-01), Myers
patent: 3032298 (1962-05-01), Callahan
patent: 3443776 (1969-05-01), Moore
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