Hi all.
New to the group here.
Anyway, gonna dive right in.
First, I've found a 100 lb thrust trolling motor, but it sounds like the controller is on the fritz. So, first question is can I just wire the motor directly to the batter source and run it at full power? Secondly, what happens when I run it at a fraction of the voltage it is designed for (again, directly to the motor). This trolling motor runs on 36 volts. So, if I run it at 24 volts what kind of power am I going to get out? My engineering sense tells me it would be 2/3rds squared or 4/9ths of full output. And at 12 volts 1/3rd squared or 1/9th full power.
I could probably live with those three power settings.
Now for the application.
I recently acquired a Bolger Old Shoe sailboat. For those not familiar with it, it is a sharpie. Bottom is only curved fore/aft and is flat left/right. Sides are vertical. Length is 11 ft, beam is 5 ft. Has a full length keel a bit over 1 ft "tall".
The interesting thing about this boat is the keel is hollow and has a width of about 7 inches, just enough for you typical battery (I suspect that was the plan all along). Enough space for 3 100AH batteries.
My idea is to power the boat running the at 24 volts which as mentioned above....pushing along at about 50 lbs? thrust. For marina work ...12 volts.........if high winds/waves 36 volts
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Posted by: Fish Canoe <fishcanoe@yahoo.com>
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