Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and helicopter sustained
Patent
1975-01-30
1976-11-02
Blix, Trygve M.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and helicopter sustained
244 12R, 244 35R, B64C 2726
Patent
active
RE0290238
ABSTRACT:
An aircraft having a wing provided with a semicircular recess in its trailing edge. A powered rotor rotatable about the axis of the recess and having blades whose tips extend close to the semicircular edge below the upper surface of the wing. The rotor produces direct upward thrust on the aircraft and also creates low pressure over the wing and higher pressure below the wing to augment the direct upward thrust of the rotor. Centrifugally moving air impinges on the edge surface of the recess to produce forward thrust.
REFERENCES:
patent: 1307826 (1919-06-01), Mathews et al.
patent: 1414186 (1922-04-01), Holson
patent: 1879857 (1932-09-01), Schafran
patent: 2461435 (1949-02-01), Nevmann
patent: 3033491 (1962-05-01), Clark
patent: 3049320 (1962-08-01), Fletcher
patent: 3129905 (1964-04-01), Taylor
patent: 3288400 (1966-11-01), Nazir
Barefoot Galen L.
Blix Trygve M.
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