| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce rolling and pitching of a multihull. Ž<P>SOLUTION: Antiroll trim tabs 5a, 5b are provided on rear end surfaces of side hulls 3a, 3b of a trimaran 1 having a main hull 2 at the center and the side hulls 3a, 3b arranged on both right and left sides developably and storably by an actuator 6. When rolling or pitching is generated in the trimaran 1, reaction force, generated when the antiroll trim tabs 5a, 5b contact water along with the rolling or pitching to push the water surface, is made to act as force to a the direction for suppressing the rolling or pitching on the trimaran 1 by developing the respective antiroll trim tabs 5a, 5b. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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