| 摘要 |
PURPOSE: A ship is provided to maintain the function of a rudder even though a rudder lift force increasing device is malfunctioned. CONSTITUTION: A ship comprises a rudder(100) and a rudder lift force increasing device(300). The rudder lift force increasing device is coupled to the rudder and increases lift force by changing the speed of fluid flowing along the outer wall of the rudder. The rudder lift force increasing device comprises a rotating blade and a driving unit. The rotating blade comprises a blade shaft and a rotator(312) and is accommodated in an accommodation part(112) of a rudder body(110). |
