Surface-effect aerofoil boat

Details Surface-effect aerofoil boat Surface-effect aerofoil boat

1980-07-25

1982-12-28

Blix, Trygve M.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having airfoil

114 67A, 244105, 440 37, B63B 116

Patent

active

043655785

ABSTRACT:
A surface-effect aerofoil boat having two aerofoils arranged in tandem and having a gap for a propulsion or air screw between a vertical fin and an aerodynamic rudder and wherein the aerofoils are designed as hollow bodies subdivided into compartments some of which being provided with flooding and emptying devices. The rear aerofoil seen in the direction of travel is clipped with respect to the geometry of its trailing edge in a polygonal or rounded-off manner. The gap in the plane of rotation of the propulsion or air screw is widened in its radially outer zone relative to the inner zone near the axis.

REFERENCES:
patent: 1477816 (1923-12-01), Forrand
patent: 1712758 (1929-05-01), Durand
patent: 1778467 (1930-10-01), Pettersen
patent: 2259625 (1941-10-01), Dornier
patent: 2271227 (1942-01-01), Roseher
patent: 3019754 (1962-02-01), Welshausen
patent: 3222012 (1965-12-01), Piasecki
patent: 3422782 (1969-01-01), Ripley
patent: 3934533 (1976-01-01), Wainwright
patent: 3960103 (1976-06-01), Rey

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