Hull for high speed water craft

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 1/16 (2006.01) B63B 1/18 (2006.01)

Patent

CA 2366225

The application relates to water craft hulls having improved hydrodynamic stability. A hull (1) is claimed in which the centre of gravity (C g) is substantially vertically aligned with the centre of hydrodynamic lift (C p) of a lifting surface of the hull both at lift-off speed and at design speed, and preferably also at speeds below lift-off, and at all speeds between lift-off and design speed and above. A hull having a relatively high aspect ratio (S~ 2/A~) at design speed, and preferably also at lift-off speed, is also disclosed. In the preferred embodiment, the hull is generally delta-shaped in plan view.

L'invention concerne des coques de véhicules nautiques présentant une stabilité hydrodynamique améliorée. Une coque (1) revendiquée possède un centre de gravité (Cg) qui est sensiblement aligné verticalement sur le centre de planage hydrodynamique (Cp) d'une surface portante de la coque à une vitesse de planage et à une vitesse de conception, et de préférence également à des vitesses inférieures au planage, et à toutes les vitesses se situant entre les vitesses de planage et de conception mentionnées. L'invention concerne aussi une coque présentant un rapport (S1<2>/A1) de forme relativement élevé à une vitesse de conception, et de préférence également à une vitesse de planage. Dans la forme de réalisation préférée, la coque vue en plan présente généralement une forme de delta.

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