Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent
1994-02-22
1997-01-14
Swinehart, Edwin L.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having hydrofoil
114 61, B63B 124
Patent
active
055928951
ABSTRACT:
A small waterplane area high speed ship is disclosed which includes a hull structure having a bow portion and a stern portion with the hull being normally supported above the surface of the water when in operation. A forward set of dual struts depend from the bow portion of the hull structure; these dual struts are subtended by a first transverse displacement foil extending laterally between amd connected to each of the dual struts. A second set of aft dual struts depend from the stern portion of the hull structure; the second set of dual struts are subtended by a second transverse displacement foil extending laterally between and connected to each of said struts. The transverse displacement foils provide the major bouyancy for the ship during operation to maintain the hull above the surface of the water during operation. The forward and aft struts and the foils are spaced longitudinally a predetermined distance selected such that the transverse wave created by each corresponding element is 180.degree. apart.
REFERENCES:
patent: 3149601 (1964-09-01), Lang
patent: 3347197 (1967-10-01), Scherer
patent: 3598076 (1971-08-01), Saxton
patent: 3693570 (1972-09-01), Erlykin et al.
patent: 4763596 (1988-08-01), Yoshida
Groth Henry J.
Lockheed Missiles & Space Company Inc.
Swinehart Edwin L.
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