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A Cape Dory 36 refit project compares the performance of a Tohatsu 9.8-hp gas outboard against an ePropulsion electric outboard. The gas motor achieves a top speed of 5.9 knots in calm water, while the electric motor reaches 5.7 knots at 6,000 watts.7:34 The electric system includes a 175-amp-hour, 48-volt lithium-ion phosphate battery, which requires manual reactivation every 24 hours to prevent automatic shutdown.15:35 Installation challenges for the electric motor included fabricating a wedge-shaped adapter bracket for vertical tilt and machining the propeller slot with a Dremel tool to fit the retaining pin.11:48 Regeneration testing under sail yielded 100 watts, significantly lower than the manufacturer's 400-watt claim.13:32 The electrical setup features dual 400-watt solar panels routed through independent MPPT controllers to charge both the 48-volt propulsion bank and a 12-volt house bank.18:17 The owner uses a custom cover board system with a one-way flap valve to reduce turbulence and water ingress through the motor well while underway.5:28

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