Catamaran Mistertong video
#217 Changing the saildrive seals on our catamaran
12 maggio 2026 · 59 min · 8K visualizzazioni · Île à Cristal
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The owners of an Outremer catamaran perform a DIY replacement of their saildrive seals while the vessel is hauled out for a refit. The process requires disconnecting the engines and shifting them to provide enough clearance to remove the saildrive transmissions entirely.21:18 The crew encounters difficulty separating the aluminum housing components to access the seal grooves, which are prone to salt buildup and galvanic corrosion.25:50 After consulting with other catamaran owners, they successfully seat the new double-membrane seals by forcing them into the grooves, noting that the design does not require disassembling the housing as initially suspected.41:34 The project also includes replacing the saildrive anodes and performing extensive hull repairs, including sanding, fairing, and fiberglass work on the hull and beam reinforcements.22:01 The team confirms that using hot water helps loosen corroded aluminum parts during the disassembly process.35:05
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