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|1. (WO2017154539) SHIP STERN STRUCTURE|
|Applicants:||TSUNEISHI SHIPBUILDING CO.,LTD.
|Title:||SHIP STERN STRUCTURE|
Provided is a ship stern structure having a simple configuration which reduces wave-making resistance, the ship stern structure being effective in controlling the orientation of a traveling ship. This ship stern structure comprises: a propeller 1 which is disposed at the stern of a ship; a rudder 5 which is disposed at the rear of the propeller 1; a rudder horn 4 for mounting the rudder 5 to a hull 3; and fins 10 which are mounted on the rudder horn 4 in a manner protruding in the hull width direction. The vertical distance between the rotary shaft of the propeller 1 and the mounting position of the fins 10 is preferably 0.75 R or more, and the length of the fins 10 in the hull width direction is preferably less than 1.0 R, where R is the radius of rotation of the propeller 1.