Patent ID: 6070543
Filing Date: 2000-06-06
Classification: B63B,Y02T

Abstract:
A water craft comprising:a main body;a keel extending from a lower portion of the main body;a first hydrofoil provided on said keel, said first hydrofoil being adapted to produce a positive lift force which lifts the craft upwardly when the vehicle travels through water; anda second hydrofoil provided on said keel, said second hydrofoil being adapted to produce a negative lift force which tends to pull the vehicle downwardly when the vehicle travels through water, said second hydrofoil being located on said keel at a level which is lower than that of said first hydrofoil and located so that the negative lift force which is produced by said second hydrofoil, in combination with the positive lift force which is produced by said first hydrofoil generates a moment of force which tends to crank the front of the water craft upwardly.