| 摘要 |
PROBLEM TO BE SOLVED: To improve the weight balance of a two-cycle engine and provide stability of a hull. SOLUTION: In a small ship provided with a two-cycle engine 13 mounted at the internal part of a hull 3 such that the axis of a crank shaft 40 is extended approximately along the central line in a longitudinal direction of the hull 3, an exhaust pipe 18 led out from the engine 13 and an exhaust expansion chamber 19 coupled to the exhaust pipe 18 are provided. The axis 37a of the cylinder 37 of the engine is inclined to one side of a vertical surface 40a containing the axis of a crank shaft 40, and the exhaust expansion chamber 19 is arranged on the other side of the vertical surface 40a. |
