Articulated or pivoting centre-board and/or antirolling fin which can be raised automatically as soon as the depth is not sufficient and the opening of which is automatic

摘要

The articulated or pivoting centre-board and/or antirolling fin is mounted pivotably about a shaft 2 and comprises a means which serves as a spring 9 arranged between the manoeuvring handle 7 which serves as a lever and one or more fixed points 13 integral with the boat; the means serving as a spring is an elastic string 9; the means serving as spring 9 comprises means for adjusting its tension. Centre-board and/or antirolling fin for light boat. IMAGE