[Electric Boats] Knots to Watts

 

We are working on building a range calculator and could use some help from the members of this group.

Please send your numbers for knots to watts.

We are asking for how many watts it takes to power your boat at 3,4,5, and 6 knots in calm conditions, no wind, no waves, with an average of two runs in opposite directions to average out the effects of any tides or local currents.

Please let us know voltage and current, the meter you measure with, the system you are using, and the propeller and reduction gear ratio.

Thanks to all who participate in this gathering of data.

Happy Sailing and Thanks!

James

Propulsion Marine

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