Helicopter type aircraft with ground effect structure

Details Helicopter type aircraft with ground effect structure Helicopter type aircraft with ground effect structure

1976-03-11

1977-06-28

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

244 12R, 244 23C, B64C 2708

Patent

active

040320847

ABSTRACT:
The aircraft in the nature of a helicopter is movable in a vertical direction when being raised from the ground or landing thereon. The body of the aircraft is toroidal in form, that is to say, the shape of a doughnut having a central aperture. The central aperture has a jet engine mounted therein providing a downward thrust on the centerline of the body aperture. A substantial ground effect is obtained by the use of panels which are movable from the underface of the body to a vertical position enclosing the central area therebeneath. Supports extend upwardly and outwardly from the central jet engine having a pivotally mounted turbine on each of the upper ends, the extending shafts from which have an elongated helicopter type of propeller mounted thereon. A ram, or other type of motor, is employed for tilting one or both of the turbines and propellers from an angular position to a position of greater tilt to provide a forward movement to the body.

REFERENCES:
patent: 3084888 (1963-04-01), Hertel
patent: 3155343 (1964-11-01), Black
patent: 3184183 (1965-05-01), Piasecki
patent: 3357656 (1967-12-01), Peterson
patent: 3486577 (1969-12-01), Jackes
patent: 3889902 (1975-06-01), Madet

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