Ships – Displacement-type hull
Patent
1983-06-02
1985-11-05
Basinger, Sherman D.
Ships
Displacement-type hull
114 57, 440 66, 440 67, 440 79, B63B 106, B63B 108
Patent
active
045506736
ABSTRACT:
A seagoing vessel comprises a hull having a forwardly projecting bulb at its bow. The bulb includes an upper periphery oriented substantially horizontally and exposed above the water surface when the vessel is stationary and in a fully loaded condition. A pair of side skegs extend rearwardly from an underside of the vessel at the stern end. Propeller shafts extend through the side skegs. The side skegs and propeller shafts converge in a rearward direction. Each side skeg includes a planar outboard surface and a bulbous inboard surface, the latter inducing an outboard flow of water through a top segment of the associated propeller in a direction opposite the direction of propeller rotation. A center skeg extends between the side skeg and includes downwardly converging and rearwardly diverging sides which induce an outboard flow of water through a top segment of a respective propeller in a direction opposite the direction of propeller rotation. Each side skeg defines a H-shape beam structure upon which are mounted the engine, transmission, and support bearings for a respective propeller shaft.
REFERENCES:
patent: 2729182 (1956-01-01), Tommasi
patent: 3105454 (1963-10-01), Baldwin
patent: 3455263 (1969-07-01), Nonnecke
patent: 3481295 (1969-12-01), Campbell et al.
patent: 3565029 (1971-02-01), Smit
patent: 4002132 (1977-01-01), Nitzki
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