Here are some photos of a diver propulsion vehicle that I built. Since it qualifies as a wet-sub, I thought your readers might be interested. It features a speed of 4 knot in it's current configuration. A 24 V power supply provides approximately 2 kW of power to the motor. The motor can provide up to 8 kW of power when 48 volts are applied to it. It is 6'6" long, weighs 280 lbs. It uses two 55 Ah Optima deep cycle batteries. Also, a variable-speed controller allows infinite speed adjustment via a twist grip throttle.
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