Means and method of rotor augmented lift for airplanes

Details Means and method of rotor augmented lift for airplanes Means and method of rotor augmented lift for airplanes

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

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