Ships – Ballasting – Fins and boards
Patent
1987-06-15
1988-10-11
Basinger, Sherman D.
Ships
Ballasting
Fins and boards
114152, B63B 3906
Patent
active
047762942
ABSTRACT:
A water vessel with a bow-mounted pitch stabilizer having a rigid support structure attached to the bow and projecting in front of it, and one or more horizontally pivoted flaps on the support structure below the vessel's water line for opposing the up or down movement of the bow in the water. Roll stabilizers on opposite sides of the vessel's hull below the water line each comprise a hinged horizontal vane which is spring-biased to position substantially coplanar with the fixed vane.
REFERENCES:
patent: 2151836 (1939-03-01), Bugatti
patent: 2584347 (1952-02-01), Hazard
patent: 2892435 (1959-06-01), Ljungstrom
patent: 3004510 (1961-10-01), Nawara
patent: 3015298 (1962-01-01), Bell et al.
patent: 3018749 (1962-01-01), De Beurs
patent: 3075490 (1963-01-01), Lang
patent: 3112504 (1963-12-01), Carlton
patent: 4003325 (1977-01-01), Allen
patent: 4276668 (1981-07-01), Lefebvre
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