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Keel system for varying draft of boat, has keel web that is pivoted when ballast is provided under hull of boat, where keel web is rotated at ninety degree on rear side of ballast when ballast is in top position
Keel system for varying draft of boat, has keel web that is pivoted when ballast is provided under hull of boat, where keel web is rotated at ninety degree on rear side of ballast when ballast is in top position
The system has a movable ballast (1) sliding along a keel web (2), so as to use the ballast on the keel web in bottom, top or intermediate positions. The keel web is pivoted when the ballast is provided under a hull of a boat. The keel web is rotated at 90 degree on a rear side of the ballast when the ballast is in a top position. The ballast is pierced with a hole permitting passage of the keel web at a center. Steel rods are integrated to the ballast.
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