Asymmetric hydrofoil propulsion method and apparatus

Details Asymmetric hydrofoil propulsion method and apparatus Asymmetric hydrofoil propulsion method and apparatus

1990-10-24

1992-08-04

Swinehart, Ed

Ships

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

Having hydrofoil

440 66, 114280, B63B 124

Patent

active

051349540

ABSTRACT:
An asymmetrically arranged hydrofoil and propeller system is disclosed for improving the speed and lift of watercraft such as amphibious vehicles. When the vehicle is propelled through water by propellers, a downwash of water from the upper surface of the asymmetrically arranged hydrofoils is intercepted by upwardly moving propeller blades which improve the speed, lift and efficiency of the watercraft.

REFERENCES:
patent: 1044176 (1912-11-01), Hickman
patent: 3027862 (1962-04-01), Votre
patent: 3092062 (1963-06-01), Savitsky
patent: 3183871 (1965-05-01), Reder
patent: 3420204 (1969-01-01), Samuel
patent: 3476072 (1969-11-01), Wilson
patent: 4798547 (1989-01-01), Gearhart

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