Ships – Hull or hull adjunct employing fluid dynamic forces to... – Movably mounted hull portion or hull adjunct
Patent
1989-07-12
1990-11-06
Basinger, Sherman
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Movably mounted hull portion or hull adjunct
B63B 122
Patent
active
049676822
ABSTRACT:
At least two trim tabs 12 are mounted on the transom 11 symmetrically on each side of the longitudinal axis of the hull 10. Each trim tab 12 includes a plate 15 mounted on at least two rocker arms 16 for pivotal movement relative to the transom 11 and two or more hydraulic actuators 20 and 21 for pivoting the plate 15 relative to the distal ends of the rocker arms 16.
REFERENCES:
patent: 3391667 (1968-07-01), Bue
patent: 3577948 (1971-05-01), Frey
patent: 4261278 (1981-04-01), Gaudin
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