Hydrofoil and surfboard type assembly

Details Hydrofoil and surfboard type assembly Hydrofoil and surfboard type assembly

1989-11-16

1991-11-05

Swinehart, Ed

Ships

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

Having hydrofoil

441 74, B63B 128

Patent

active

050623788

ABSTRACT:
A surfboard and hydrofoil assembly includes a surfboard having a generally elongated substantially flat board-like member with a density or specific gravity substantially less than that of water so that it will float. The surfboard has a top and a bottom surface and front and rear ends. At least one hydrofoil member is provided for supporting the main body of the surfboard out of the water when the assembly is moving forward at a relatively high speed. The hydrofoil member is removably secured to the bottom of said surfboard, and a tow rope or cable may be attached to the assembly. The surfboard assembly may be towed behind a motor boat or the like at high speeds, or may be used as a conventional surfboard, with said hydrofoil element being selectively removable.

REFERENCES:
patent: 3604031 (1974-09-01), Cahill
patent: 3747138 (1973-07-01), Morgan
patent: 4027614 (1977-06-01), Jones
patent: 4040373 (1977-08-01), Jones, Jr.
patent: 4508046 (1985-04-01), Coulter et al.
patent: 4610634 (1986-09-01), Kimura
patent: 4715304 (1987-12-01), Steinberg
patent: 4857026 (1989-08-01), Hull

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