Amphibious vehicle

Details Amphibious vehicle Amphibious vehicle

1974-06-24

1976-08-24

Kunin, Stephen G.

Ships

Building

Canal and ferry boats

114 67R, 115 19, 305 35EB, B60F 300

Patent

active

039760251

ABSTRACT:
An amphibious vehicle is adapted to be propelled in water with a minimum of wet hull drag. The vehicle includes a semi-flexible frame and an engine fixed to the frame. Parallel sets of tandem rollers are mounted on the opposite sides of the body on which pairs of pontoon assemblies are mounted. Each pontoon assembly includes a plurality of circumferentially superimposed endless layers or plies of buoyant material so that the pontoons support the body on both land and water. A propulsion device is provided for propelling the load-carrying body in water, the preferred propelling means being a finned belt driven by the engine. An engine is also provided for driving the pontoon rollers so that the linear velocity of the endless layers is approximately equal to the velocity of the body when it passes over water to minimize the occurrence of wet hull drag.

REFERENCES:
patent: 1749276 (1930-03-01), Edmonds
patent: 1911546 (1933-05-01), Berger
patent: 2941494 (1960-06-01), McBride
patent: 3108564 (1963-10-01), Prosser
patent: 3376843 (1968-04-01), Wilson

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