Wind-powered flying boat

Details Wind-powered flying boat Wind-powered flying boat

1976-01-26

1976-10-26

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane sustained

244 44, 244105, 114 39, B64C 3102, B64C 3500

Patent

active

039879828

ABSTRACT:
A water-based sailing vehicle that is able to accelerate from rest under wind power, become airborne, and fly above the water. At low speeds, the vehicle performs as a displacement sailboat. At higher speeds, the weight of the vehicle is supported by a combination of hydrodynamic lift from the planing hull and aerodynamic lift from the wings, or by aerodynamic lift alone. The wings are set at a large dihedral angle, so that with one wing-tip float immersed, the horizontal wing provides a lifting force, while the raised wing provides a horizontal side force for sailing, plus some additional lift. The wings and tail have airplane-type control surfaces which give complete control both in the sailing mode and in free flight.

REFERENCES:
patent: 1400262 (1921-12-01), Caproni
patent: 2255046 (1941-09-01), Diehl
patent: 3077173 (1963-02-01), Lang
patent: 3208421 (1965-09-01), Landes et al.
patent: 3332383 (1967-07-01), Wright
patent: 3584813 (1971-06-01), Sweeney et al.
patent: 3599903 (1971-08-01), Handler
patent: 3800724 (1974-04-01), Tracy
patent: 3911845 (1975-10-01), Holtom

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