This winter I intend to start building a small wood runabout in the style of the 50s/60s era Chriscraft Sportsman, scaled to ~2/3 (12'-14') to be used as a lake boat. By using a 12v or 24v system I can use less expensive EV motors & controllers, some of which I already have. I could go with an off-the-shelf 12/24v trolling motor/saildrive or similar but I want to keep with the inboard setup that's true to the style of the boat.
All I really need and expect on a regular basis is 2-3knots for 2-4 hours but there will be times when there won't be access to grid power for 2-3 days. I could go with the smallest commercial 110v genset I could lay my hands on and a standard charger, but figured I'd be right back to efficiencies on or near par with automotive alternators. However, I can build a relatively optimized small 12-24v genset using a smaller EV motor and solar charge controller that would be less expensive and theoretically should be more efficient. Am I missing something?
Warm regards
Shawn
If you want the truth to stand clear before you, never be for or against.
The struggle between "for" and "against" is the mind's worst disease.
--Sent-ts'an, c. 700CE
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