| 摘要 |
PROBLEM TO BE SOLVED: To provide a propulsion and steering arrangement having improved propeller efficiency. SOLUTION: The propulsion and steering arrangement for a vessel has a screw propeller 2, and a rudder 10 arranged behind the propeller. A fairing 6 at a tail end of the propeller and a bulb-shaped body 20 provided on a rudder blade 11 of the rudder form a streamlined body, which is continuous except for a narrow gap between the fairing and the bulb-shaped body to allow a swinging movement of the bulb-shaped body relative to the fairing when the rudder blade is turned. A tail end of the rudder blade is provided with a movable flap 12. COPYRIGHT: (C)2010,JPO&INPIT |
