Patent ID: 6578506
Filing Date: 2003-06-17
Classification: B63B,B63H,Y02T

Abstract:
A hydrofoil device for reducing wake formation on a partially immersed hull of a single hulled vessel, said hydrofoil device comprising:a transverse hydrofoil positioned below the surface of the water when said vessel is in the water, said hydrofoil being capable of a positive angle of attack of between 2 to 8 degrees to the static waterplane, the leading edge of said hydrofoil being between 5 and 15% of the immersed length of the vessel aft of the transom of said vessel, and the upper surface of said hydrofoil being between 5 and 15% of the immersed length of the vessel below the static waterplane of said vessel, a strut or multiple struts for attaching said hydrofoil to said vessel, wherein at least one of said struts is the rudder of said vessel, a means for attaching said hydrofoil to said strut or struts, and a means for attaching said strut or struts to said vessel.