I am thinking about building an electric boat and that is why I joined the group. I think I have found the perfect hull for me. An old Rainbow sailboat. It is currently a complete sailboat but I plan to convert it to an E-boat only with no mast or keel. I have a 36 volt golf cart motor but I think I will start off with just a trolling motor. The lake I live on is approximately 7 mile s wide and 20 miles long with about 600 miles of shoreline. I need about 10-12 miles of range at about 4 knots. I think a 2 battery setup with an electric trolling motor will give me what I am looking for. I will carry a small generator to run the blender and provide a supplemental charge. I will re-charge the batteries from shore power after a cruise and I am planning to put at least on solar panel on with a diode just to keep the batteries topped.
Any thoughts o the above?
I would like to instrument the boat so that I can know exactly how efficient it is. If I go for a little sunset cruise how can I tell how many kilowatts it will take to recharge the batteries? A spreadsheet that we could just plugs some numbers into would be nice,,, and a computer programmed to do all the calculations while we are out cruising would also be nice. Tie in the GPS as an auto pilot and I can concentrate on running the blender.
Are we having fun yet?
Capt. Bill
From the Palmetto State
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