Marine propulsion – Air propelled boat
Patent
1981-04-20
1983-12-20
Blix, Trygve M.
Marine propulsion
Air propelled boat
440 43, 114150, 114163, B63H 700
Patent
active
044214898
ABSTRACT:
A vehicle is provided to be propelled by a rearward discharge of fluid therefrom and including fluid jet developing structure for discharging a rearward jet of fluid along a predetermined path for propelling the vehicle forwardly. A pair of upstanding steering vanes are mounted for rotation about upstanding axes spaced transversely apart and disposed on opposite sides of the center line of the aforementioned path. Control structure is also provided and operative to simultaneously similarly angularly displace the vanes about their axes of oscillation and the control structure further includes adjustment structure for selectively relatively angularly displacing the vanes about their axes of oscillation. The vanes extend rearwardly of their axes of oscillation distances greater than one-half the distance between the axes of oscillation of the vanes, whereby opposite relative angular displacement of the vanes to forwardly and outwardly inclined positions displaced generally 50.degree. to 60.degree. from front-to-rear extending positions will cause the rear ends of the vanes to swing into close juxtaposed positions.
REFERENCES:
patent: 3583520 (1971-06-01), Kirpitznikoff
patent: 3872817 (1975-03-01), Duryea
patent: 4027614 (1977-06-01), Jones
Blix Trygve M.
Brahan Thomas J.
Jacobson Harvey B.
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