Sailing Doodles · video

What this video covers

A 2026 Island Spirit 525 catamaran experiences repeated generator shutdowns while cruising in the Gulf of Thailand.0:29 The generator motor controller overheats because the freshwater cooling pump fails to circulate coolant, despite the raw water pump functioning correctly.8:57 After troubleshooting the wiring harness and continuity, the owner locates the freshwater pump beneath the battery bank in the aft bay.9:01 Manually touching the pump restores its operation, allowing the generator to cool and restart.8:53 During the 70-mile passage to Ko Tao, the crew manages power consumption by motor-sailing and adjusting throttle output to maintain battery levels between 20% and 90%.6:52 The vessel also encounters a submerged object, likely a mooring buoy or fish pot, which requires clearing the propeller before anchoring.12:52 The crew successfully reaches Ko Tao and anchors for the evening.11:49 Troubleshooting cooling systems on modern catamarans often requires identifying hidden pumps and verifying their physical operation when software diagnostics prove inconclusive.

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