B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 1/12 (2006.01) B60F 5/00 (2006.01) B62B 15/00 (2006.01) B62B 17/02 (2006.01) B63B 1/20 (2006.01) B63B 1/34 (2006.01) B63H 7/02 (2006.01)
Patent
CA 2262880
An air propelled boat. It is provided with a pair of catamaran hulls, each having a unique catamaran hull design particularly adaptable for travel over land, water, ice or snow. Each catamaran hull has a pair of centered concave flutes extending from the aft end of the body to the forward end of the nose. At the nose end, the flutes are reduced in concavity and inclined longitudinally and laterally. Both inclinations are reduced in slope forward. The flutes guide water outward and under the hull and move the water hull contact aft. This decreases hull drag and increases lift. The hull bottoms are formed into a central longitudinal support flat which is flanked by parallel outboard support flats. The undersurface of a catamaran hull is covered by an ultra-high molecular weight plastic profile to reduce friction when traveling over a solid supporting surface. The catamaran hulls are foam filled for rigidity.
French David J.
Schulte Mark
LandOfFree
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