| 摘要 |
PURPOSE: A fins for a ship, capable of improving the propulsion efficiency of the ship, is provided to minimize energy loss of rotary current is by maximizing the rectification performance about rotary current by mounting a plurality of dissymmetric fins in the height direction of a propeller. CONSTITUTION: A fins for a ship comprises a plurality of dissymmetric fins(10,20). The dissymmetric fins are attached to a rudder(1) in order to improve the propulsion efficiency of the ship. The dissymmetric fins are installed in the height direction of the propeller. The free end of the dissymmetric fins is expanded to 0.7-0.8 range of the propeller radius. |
