Vertical take-off and landing aircraft

Details Vertical take-off and landing aircraft Vertical take-off and landing aircraft

1990-07-30

1992-04-07

Barefoot, Galen

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and fluid sustained

244 23C, 244 73C, B64C 2900, B64C 3906

Patent

active

051020661

ABSTRACT:
In a vertical take-off and landing craft, a pair of nested dome-shaped shells are spaced apart and rigidly interconnected by struts. The outer shell has a central opening formed in its top, and the shape of the shells is such that the space between the two shells progressively widens from the central top part of the shells to the peripheral bottom part of the shells. A circular series of arcuate airfoil units is disposed in the annular space between the bottoms of the shells, and is driven in rotation by an engine mounted on the inner shell. Upon rotation of the circular series of arcuate airfoil units, low pressure is generated above the airfoil units and high pressure below, such that air is drawn down through the central opening of the outer shell to produce a thrust which permits vertical displacement of the aircraft.

REFERENCES:
patent: 1123589 (1915-01-01), Porter
patent: 2567392 (1951-09-01), Naught
patent: 2972455 (1961-02-01), Borchers
patent: 3019756 (1962-02-01), Murri

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