PURPOSE: To heighten a turning responsiveness at a hydrofoil vessel arranged respectively with a propulsion propeller at the rear portion of a hull and with hydrofoils on both right and left sides of the front portion of the hull, by arranging so that the shaft of a hydrofoil on a steering direction side may be pushed into the inside of the hull and the other may be pushed out of the hull, in engagement with a steering wheel.
CONSTITUTION: A hydrofoil vessel is made up of the respective arrangements of a propulsion drive portion 3 which is at the rear portion of a hull 1 and generates propulsion by rotating a propulsion propeller 5, and a pair of right and left hydrofoils 13, 15 which are at the front portion of the hull 1. Also, the advance direction of the hull is being made to change by turning around a shaft center the propulsion drive portion 3 or the propulsion propeller 5 through the rotation of a steering wheel 9 provided within a steering chamber 7 within the hull 1. In this instance, a hydrofoil drive portion 17 is provided at the front portion of the hull 1. This hydrofoil drive portion 17 is constituted so as to rotate right and left pinions 25, 27 by means of the rotation of the wheel 9 through a worm gear 19, a worm wheel 21, and advance/retreat hydrofoils 13, 15 in a reverse direction mutually through racks 29, 30.
SUGIMOTO BUNICHI
YAMADA MANABU
