Running at 36v near top speed. seems like plenty of thrust and too much speed. may be better to run at 24v with this prop.. The city’s patrol boat was retrofitted with solar panels on the hardtop and a steyr diesel-electric hybrid engine last fall. it makes 5 knots without burning a drop of fuel, and since it spends most of its time in a no-wake zone, the boat’s running costs have been cut by about 50 percent.. The backwater diy electric boat marathon motor mounts and rails that hold batteries to the boat to electric boat enthusiasts. the market for such parts is exceedingly small, but growing.
This is a battery powered motor for a small rowing boat. the motor used is from an electric wheelchair which ran from 24v. the motor has a built in reduction gearbox to provide a large torque to the wheels on the wheelchair.. I did a little "kids boat" with an electric scooter motor, inboard, direct drive through the skeg. motor was rated 250 watts, 2500 rpm on 24vdc. it did about 1/2 that on 12v. motor was about 4" diameter (10 cogs per rev = 5 windings?) and big on torque.. Energy is stored in a lead-acid battery, which powers two brushless dc electric motors. each motor is mounted on opposite rear corners of the boat to provide thrust and steering..
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