Hi Brett,
Like I said on the Thundersky board, I think your results are excellent.
Can you give a brief description of how you ran your tests including the conditions and instrumentation?
I also noticed that your range and hours figures appear to be calculated to 100% depth of discharge. I think for AGM, 70% DoD is more accepted to maintain battery life. All of the published ranges for my Cheoy Lee Bermuda 30 with 160Ah of lithium batteies assume an 80% DoD.
Congrats on your conversion.
Fair winds,
Eric
Marina del Rey, CA
--- In electricboats@yahoogroups.com, "m8trixman" <pb@...> wrote:
>
> Brett Peterson - Cal-29 with 8 group 31 AGM 12 volt batteries, 48 volt 200 AMP system with the Electric Yacht 100 motor
>
> Amps Knots Range RPMs Volts Hours
> 6 2.2 83.6 730 51 38
> 10 2.9 55.1 1020 51 19
> 18 3.7 38.85 1250 50 10.5
> 20 3.9 32.76 1280 50 8.4
> 25 4.2 28.98 1380 50 6.9
> 30 4.8 26.88 1480 50 5.6
> 35 5 25 1580 50 5
> 40 5.1 21.93 1610 50 4.3
> 45 5.2 19.76 1700 50 3.8
> 87 6.2 11.16 2150 49 1.8
>
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