HYDROFOIL VESSEL Russian patent published in 2004 - IPC

FIELD: shipbuilding; building of hydrofoil vessels with outboard motors secured to transom.

SUBSTANCE: hull of proposed vessel is provided with stiffeners to which lower cover plates of U-clamps are secured from below; they are provided with flanges with coupling members for securing the quick-acting locks of side struts of fore hydrofoil. Upper parts of U-clamps are provided with vertical flanges tightly adjoining ship's sides. Side struts have some spare holes for change of points of attachment of said locks in adjusting the angle of attack. Central strut is provided with holes for control of angle of attack of fore hydrofoil. Aft hydrofoil has central strut with bearing member, cover plate and two side struts equipped with quick-acting locks secured to coupling members of U-clamps secured on stiffeners of ship's hull in aft section. Upper ends of U-clamps are provided with flanges tightly adjoining the ship's sides. Side struts have several spare holes for change of points of attachment of locks in adjusting the angle of attack. Central strut has hole for bolt in its rear portion. Cover plate is elongated backward towards ship's transom.

EFFECT: improved seaworthiness.

4 cl, 9 dwg