Sampson Boat Covideo
Purpleheart Rudder / Cherry Cabinetry (rebuilding Tally Ho ep148)
11 de marzo de 2023 · 28 min · 701K vistas · Sequim
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The restoration of the 1910 Albert Strange-designed cutter *Tally Ho* involves fabricating a new, enlarged transom-hung rudder to replace the original, inefficient design.3:03 The new rudder features a long, narrow profile to minimize tip losses and increase effectiveness, with significant surface area positioned low to maximize water pressure.3:20 Construction utilizes Purple Heart timber, bedded with Sikaflex and secured with silicon bronze bolts.14:38 The design incorporates a propeller aperture, optimized through plywood mock-ups to balance prop wash effectiveness against cavitation risks.18:04 A trim tab is integrated into the trailing edge to reduce the force required for steering, allowing for lower-power autopilot operation or wind vane integration during long passages.23:51 Separately, the interior head cabinetry is nearing completion, featuring frame-and-panel doors, a louvered closet door, and a rounded corner post.12:20 The rudder design prioritizes mechanical efficiency and self-steering capability, while the cabinetry work focuses on functional storage and aesthetic finish.
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