Patent ID: 6805068
Filing Date: 2004-10-19
Classification: B63B

Abstract:
A hydrofoil system for lifting a boat out of water an amount sufficient to reduce drag while still allowing the boat to be powered by a conventional inboard-outboard drive, wherein the boat has a hull with a bottom, a bow, a stern with port and starboard trim tabs, and a substantial center which is intermediate the bow of the hull and the stern of the hull, said system comprising:a) a front hydrofoil units; b) a center hydrofoil unit; and c) a pair of rear hydrofoil units; wherein said front hydrofoil unit depends from the bottom of the hull at the bow thereof; wherein said pair of rear hydrofoil units depend from the port and starboard trim tab units of the hull, respectively; and wherein said center hydrofoil unit depend from the bottom of the hull at the substantial center thereof, wherein said front hydrofoil unit comprises a mounting portion; wherein said front hydrofoil unit comprises a hydrofoil portion; wherein said mounting portion of said front hydrofoil unit is for mounting to the bottom of the hull at the bow thereof; wherein said mounting portion of said front hydrofoil unit depends from the bottom of the hull at the bow thereof; wherein said hydrofoil portion of said front hydrofoil unit mounts to said mounting portion of said front hydrofoil unit; and wherein said hydrofoil portion of said front hydrofoil unit depends from said mounting portion of said front hydrofoil unit, wherein said mounting portion of said front hydrofoil unit comprises a pair of upper plates; wherein said pair of upper plates of said mounting portion of said front hydrofoil unit are disposed in a V-shape along a common edge thereof; wherein said pair of upper plates of said mounting portion of said front hydrofoil unit are for mounting to the bottom of the hull at the bow thereof; and wherein said pair of upper plates of said mounting portion of said front hydrofoil unit depend from the bottom of the hull at the bow thereof.