DEVICE INCREASING SIDE RESISTANCE TO THE FORCE OF DRIFT OF SAIL VESSEL (PROSKUROVSKYI CENTERBOARD)

摘要

A device increasing side resistance to the force of drift of sail vessel contains a centerboard and guiding bars. The centerboard is executed in the form of folded plates fastened to the keel of vessel from below and to the rods passing through guiding cylinders located in the middle part of the vessel along the keel.