I always use conservative (and rounded down) numbers. I probably won't (initially) have the best prop for my motor. That will have to be determined after things are otherwise working. Right now I can get about 3 kts at about 1 kWh in calm water with my existing setup, and the prop is probably not great. 3.5 kts is beyond the current rating I want to push my battery pack to for any length of time until I can get better.
On 9 February 2016 at 05:06, fitloose <no_reply@yahoogroups.com> wrote:
I must admit 2 kWh seems a lot at 3.5 knots with an unladen displacement boat of around 9,000 lbs?
John
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Posted by: Dominic Amann <dominic.amann@gmail.com>
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