Sailing SV Delosvideo
You Won’t Believe This Transformation (ENGINE ROOM BUILD!) 🤯 Aluminum Catamaran Build Pt. 52
January 2, 2026 · 41 min · 308K views
Man installs blue engine in catamaran's engine room
What this video covers
The engine room build for an aluminum catamaran involves a multi-stage process of fairing, painting, insulating, and installing complex mechanical systems. To create a level bilge surface, the builder fills voids around the keel with TotalBoat fairing compound and pours epoxy over the top, allowing for efficient bilge pump placement.1:23 The aluminum surfaces are cleaned, primed with three coats, and finished with chemical-resistant bilge paint to protect against corrosion and tool damage.17:40 Soundproofing is achieved using Vetus insulation panels of varying densities, with 50mm thickness on the roof and 30mm on the bulkheads.27:16 The fuel system features a custom-built manifold using L-valves, allowing the engine to draw from or return fuel to either the port or starboard tank.28:34 Airmar fuel flow sensors integrated into a NMEA 2000 network calculate real-time fuel consumption by measuring the difference between feed and return lines.31:27 The starboard engine room houses the electric motor controller, autopilot, and water distribution manifolds, all mounted on trays to prevent saltwater damage to electronics during maintenance.32:04
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