Hello, I have posted an album in the photos section on my project under "Sparky". The aim for this boat is to do a 6 mile commute from a water-access-only home to the local marina. It takes about 15-20 minutes in a V8 powered 20ft speed boat at a cruising speed of about 25 mph. Cost is about $10.00 in gas. I am hoping to do the trip in 30-40 min at about 10mph and at a cost of about $0.30 in electricity. The basic structure of the boat is a Hobie Cat 16, with a rigid deck, steering console/seat, and electric outboard added.
To date the deck and motor are done, and I am completing the wiring. An on the water test with a temporary "floor burnisher" controller yielded 3.7 knots at 450 watts, and 5.6 knots at 1300 watts from the Mars brushless motor on a Merc 9.9 leg with stock prop.
I now have a Sevcon Gen4 controller, and a Torqeedo V19/P4000 prop which I hope to adapt to the Merc leg. Batteries/BMS/charger are GB 100AH 48V lithium application kit from Electric Autosports. http://electricautosports.com/
Hardest lesson learned so far: Get the motor and controller from the same vendor as a kit (same with the batteries and BMS). Unless you are as real expert it will save time, and probably money. That's all for now, I hope to have an on the water update in the next couple of months...
Dave E
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