In practice, you run the generator/charger in parallel with the batteries -- not waiting for them to run down below comfort. Now you are drawing say...10amps from the batteries (which they like) and another 20 from the charger - 30 amps gets me almost 4 knots.
I'm not sure the long-term effects of this on either charger or battery though...
-Keith
--- In electricboats@
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> Dave H.
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> For what it is worth I am pretty sure that you can get at least 2 knots at .750kW. People get 1.2 knts with sculling oars. The key is a clean bottom and prop. I just got my bottom and prop cleaned and it was a dramatic performance nudge. I got 3 knots at 1kW. Of course this is only in dead calm water in the marina. This is the first time I was able to monitor my performance so well because I recently installed a new meter.
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