Water conveyance

Details Water conveyance Water conveyance

1979-04-30

1982-09-14

Blix, Trygve M.

Ships

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

Having airfoil

114 61, 114280, 440 54, 440 63, B63B 100

Patent

active

043489770

ABSTRACT:
A water conveyance having two hull members spaced from each other and carrying a hydrofoil toward the stern thereof and an airfoil or wing toward the bow. The hydrofoil and airfoil cooperate to lift the hull members from the water to reduce water resistance and increase travel speed. The hydrofoil is movable vertically to accommodate the raising and lowering of the hull members during start up and slow down. Flaps on the wing control the attitude of the conveyance and, in a preferred embodiment, the flaps are controlled automatically to maintain a generally horizontal attitude.

REFERENCES:
patent: 1823735 (1931-09-01), Glasby
patent: 2821948 (1958-02-01), Harkson
patent: 3199483 (1965-10-01), Ellzey
patent: 3522785 (1970-08-01), Thompson
patent: 3918382 (1975-11-01), Austin
patent: 3952678 (1976-04-01), Weston

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