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The owner of an Island SPIRIT 525 catamaran conducts sea trials to resolve motor vibrations and autopilot malfunctions before taking final possession of the vessel.Watch Technicians realign the port-side electric motor and the Python drive system to address a resonance issue that caused a "wah-wah" vibration at cruising speeds of 550–600 RPM.6:07 While the starboard motor remains silent, the port motor shows significant improvement after the realignment.8:27 The crew also replaces the autopilot unit and performs dockside calibrations to ensure proper steering function.3:37

The vessel features a 65-kilowatt liquid-cooled electric propulsion system and a 25-kilowatt-hour Roy Powell lithium house bank, which the owner plans to expand to 40 kilowatt hours.9:50 The electrical system includes 5,000 watts of solar capacity and an EV-style shore power inlet, with provisions to install an isolation transformer for future compatibility with North American 110-volt split-phase power.10:23 The propulsion batteries are distributed across the hulls to balance weight, with waterproof covers protecting the connections.15:29

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