Sailing SV Delos · video

What this video covers

The crew of the custom aluminum catamaran Delos 2.0 installs a complete anchoring system, focusing on galvanic isolation and mechanical integration. They select a 105-pound Mantis M2 anchor, chosen for its roll-bar-free design that allows a snug fit against the bow.▶ 2:09 To prevent corrosion between the stainless steel anchor chain and the aluminum hull, the team machines custom bushings and a bow roller from Acetal, a low-friction engineering thermoplastic.▶ 7:21 They fabricate a custom aluminum chain box with an angled floor to ensure proper chain stacking and line the interior with plastic to further isolate the metals.▶ 12:11 The system utilizes a Vetus Maxwell RC-12 windlass, controlled by a custom-wired electronics panel that integrates Selden control boxes for the boat's electric winches and furlers.▶ 21:31 Testing confirms the 100-meter stainless steel Chromox chain feeds smoothly into the locker without snagging.▶ 31:07 Proper isolation of dissimilar metals and careful geometry in the chain locker design are essential for long-term reliability in aluminum boat construction.

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