| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a rudder horn for improving propulsion performance of a ship during steering.SOLUTION: A propeller back stream rectifier 10 comprises a rudder horn 12 which is disposed at the rear of a propeller 20 of a body 30, and supports a rudder 16 in a manner that the rudder 16 can be swung. A streamlined swollen part 14 is formed on a side wall surface on an extended line of a propeller shaft PC of the rudder horn 12.</p> |
