Patent ID: 6027384
Filing Date: 2000-02-22
Classification: B63B,B63H,F02B

Abstract:
A small jet boat in which an engine for driving propulsion means is mounted in a space surrounded by shell plating of a hull, comprising;a four-cycle engine functioning as said engine mounted in such a manner that a crank shaft thereof is directed in a transverse direction of said hull,a pair of bevel gears through which said crank shaft is connected to said propulsion means which is rearward disposed,all cylinders of said four-cycle engine slanted in the same direction and to one of fore and aft sides of said hull, and suction devices or exhaust devices disposed above said engine including said slanted cylinders; andwherein all cylinders of said four-cycle engine are slanted to the aft side of said hull, suction devices are disposed above said cylinders, and exhaust devices are disposed at a position of said hull which is more rearward than said four-cycle engine.