Top-down - Tack of the gennaker remains still, on a free-floating swivel, while the drum turns and transmits torque to the head of the sail

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Top-down - Tack of the gennaker remains still, on a free-floating swivel, while the drum turns and transmits torque to the head of the sail

© Karver Systems

Top-down - Tack of the gennaker remains still, on a free-floating swivel, while the drum turns and transmits torque to the head of the sail photo copyright Karver Systems taken at and featuring the class

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