Sailing Uma · video

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Converting a sailboat to an electric propulsion system requires prioritizing the motor's ability to generate power through regeneration, a feature best supported by the Oceanvolt ServoProp.4:56 When selecting a motor, determine if regeneration is a requirement, as most available electric motors lack published data on their regenerative capabilities.5:47 To size the motor, divide the existing diesel engine's horsepower by four to estimate the necessary kilowatt output.9:15 A 48-volt DC system is recommended for integration with other onboard equipment, such as 48-volt windlasses.12:42 Liquid cooling is essential for motors in hybrid setups to maintain efficiency during extended operation.14:47 While lithium-ion battery banks represent a significant upfront cost, they offer long-term savings compared to the recurring expenses of diesel fuel and engine maintenance.20:43 Ensure batteries are specifically rated for electric vehicle or propulsion use rather than standard house loads, and prioritize systems with robust battery management systems (BMS) for safety.22:31 Proper battery placement is critical for accessibility and weight distribution.18:38

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