Watercraft

Details Watercraft Watercraft

1998-03-30

2000-06-06

Basinger, Sherman

Ships

Motorized self-propelled waterski or waterscooter-type vehicle

With ski, pontoon, or hydrofoil providing vertical lift

114 5557, 114274, 114280, B63B 126

Patent

active

060705434

ABSTRACT:
An aircraft-like body is provided with a keel that extends below and to the rear of the main body. The keel is provided with a large horizontally extending hydrofoil which produces a positive lift. The keel is further provided with a smaller hydrofoil which is located aft of and below the positive life hydrofoil and which produces a negative lift. The negative lift hydrofoil is located both aft of and below that which produces the positive lift. The downward force which is produced by the trailing hydrofoil produces a cranking action which produces a moment and applies a lifting force which, as the vehicle proceeds through the water, lifts the nose of the vehicle and impart an aircraft lift-like flying type of sensation to the operator.

REFERENCES:
patent: 955343 (1910-04-01), Meacham et al.
patent: 1410876 (1922-03-01), Bell et al.
patent: 3693570 (1972-09-01), Erlykin et al.
patent: 4926773 (1990-05-01), Manor
patent: 4981099 (1991-01-01), Holder
patent: 5329870 (1994-07-01), Cook
patent: 5359958 (1994-11-01), Guild
patent: 5544607 (1996-08-01), Rorabaugh et al.

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