Aircraft with retractable rotor wing

Details Aircraft with retractable rotor wing Aircraft with retractable rotor wing

1975-06-02

1976-10-19

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

416161, 416170R, B64C 2724

Patent

active

039866866

ABSTRACT:
An aircraft having a rotor wing which in one position is locked against the irframe for forward flight, and in another position is extended clear of the airframe. In the extended position the wing is rotated and the tip portions are controllable in the manner of a helicopter rotor. A single power source provides propulsive and wing rotation power. In the preferred form the power source is a turbojet engine and the wing is rotated by a tip jet powered drive beam, separated from the wing to avoid aerodynamic interference. For forward flight the drive beam is enclosed in the airframe as the wing is retracted to fixed position.

REFERENCES:
patent: 2628792 (1953-02-01), Griffith
patent: 3025022 (1962-03-01), Girard
patent: 3146970 (1964-09-01), Girard
patent: 3327969 (1967-06-01), Head
patent: 3370809 (1968-02-01), Leoni
patent: 3693910 (1972-09-01), Aldi
patent: 3792827 (1974-02-01), Girard
patent: 3794273 (1974-02-01), Girard
patent: 3907219 (1975-09-01), Pharris

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