Sampson Boat Co · video

What this video covers

Leo Goolden completes the rudder reinstallation on the 1910 gaff cutter Tally Ho, including trimming plugs, sealing the lifting hole, and applying anti-fouling paint.1:36 To address rapid sacrificial anode depletion, he installs an additional zinc anode on the hull near the propeller, electrically bonding it to the prop shaft inside the boat.7:00 He uses a G10 insulating sleeve to isolate the anode from the wooden hull, preventing the alkaline environment that can degrade lignin and weaken timber.8:05 The propeller receives a coating of Prop Speed, a silicone-based foul-release product, to minimize marine growth without biocides.2:52 Following these repairs, the boat is relaunched, and sea trials confirm the rudder operates smoothly.15:10 The project highlights the risks of over-protecting underwater metal fittings on wooden vessels, where excessive galvanic protection can cause structural wood failure.6:22 Proper anode sizing and placement require balancing corrosion protection against the preservation of surrounding timber.

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