Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained
Patent
1975-08-25
1976-10-26
Blix, Trygve M.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and fluid sustained
244 34A, B64C 1506
Patent
active
039879810
ABSTRACT:
This invention relates to an improvement in an aircraft driven by a ducted fan and having a displaceable louver at the end of the flow channel for vertical flight, hovering flight, transition, and high-speed flight, the improvement comprising a vertical separating surface dividing the flow channel into two flow channels, and at least one vertical flap, pivotal about a vertical axis, mounted on the forward edge of said separating surface, whereby roll control may be effected.
REFERENCES:
patent: 2907536 (1959-10-01), Von Zborowski
patent: 2929580 (1960-03-01), Ciolkosz
patent: 2969936 (1961-01-01), Dorman et al.
Barefoot Galen L.
Blix Trygve M.
Bryan James E.
Dornier System GmbH
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