A rule of thumb for 12V trolling motors is 1A per pound thrust. So it should follow that not all motors draw the same current at full speed. And not all cheaper trolling motors use resistors. The Haswing motor that I rewired had 6 wires coming from the motor to the control head. These six wires were connected to a big rotary switch. The switch connected the 12V supply to different series and parallel combinations of motor windings, to get the different speeds. When I bypassed the switch, I had to connect the right wires together to get the full speed setting. I did this based on a wiring diagram I found on the net. Apparently some Minn Kota motors are controlled this way too, since the diagram was for one of those. But it worked for my motor too.
Trolling motors won't move your tri very fast, unless you start changing props. But it's better than paddling.
Posted by: cpcanoesailor@yahoo.ca
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