Boat hull construction

Details Boat hull construction Boat hull construction

1993-02-09

1994-10-04

Sotelo, Jesus D.

Ships

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

Having fluid channeling or entrapping configuration

114 61, B63B 132

Patent

active

053516419

ABSTRACT:
The present invention is an improved boat hull construction, in particular for power catamarans. The individual hulls incorporate step breaks to define individual planing sections with different constant deadrise angles. Twist or warp is thereby eliminated in these sections, reducing drag and increasing efficiency. The step breaks also allow individual outboard chine flats which reduce in width from aft to fore. The catamaran tunnel features a decreasing section to compress air and provide a cushioned ride.

REFERENCES:
patent: 1712281 (1929-05-01), Royer
patent: 2666406 (1954-01-01), Babcock
patent: 3470839 (1969-10-01), Faul et al.
patent: 3761980 (1973-10-01), Silverstein

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