| 摘要 |
A rudder and dynamic trim adjusting apparatus for a boat includes a rudder, a rudder shaft extending from the rudder and being rotatable about a longitudinal axis thereof to rotate the rudder, trim fins extending from the rudder, along at least one transverse axis transverse to the longitudinal axis, and a mechanism connected to the trim fins, and being operable, independently of rotation of the rudder shaft to rotate the trim fins about the at least one transverse axis. Methods of controlling an attitude of a boat hull are provided.
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