Patent ID: 6499419
Filing Date: 2002-12-31
Classification: B63B

Abstract:
A sail boat comprising:a boat hull structure including a monohull and a deck; a keel attached to the boat hull, said keel having sufficiently large mass to enhance boat stability, inhibit capsizing and permit righting of said boat if capsized; a bow foil attached to a bow of the boat; a keel foil attached to the keel of the boat; a stern foil attached to the stern of the boat; wherein said bow foil comprises a port bow foil and a starboard bow foil and a first strut connecting said port bow foil to said boat and a second strut connecting said starboard bow foil to said boat; wherein said first and second struts are moveable between a stowed position in which said port and starboard bow foils are out of the water and a deployed position in which said port and starboard bow foils are submerged in the water; and wherein said port and starboard bow foils are each separately adjustable as to their angle of attack.