Thanks for letting me bounce these off the group. Scott at Electric Yacht was expecting slightly better numbers, and said I could probably gain a half knot with a pulley change. I'll see how this season goes and maybe do the swap in the off season. Theoretical hull speed for the boat is around 6, so I'm close.
Eric
--- In electricboats@yahoogroups.com, "Eric" <ewdysar@...> wrote:
>
> Hi Eric,
>
> These numbers look a lot more consistent. Congrats on your conversion.
>
> --- In electricboats@yahoogroups.com, erichmadison <no_reply@> wrote:
> >
> > Here are some more details as requested by Eric, as well as some new data. Note this data is taken from the battery monitor. The time/hours figure is time remaining estimated by the system controller or battery monitor--it does not indicate the hours traveled at a given speed.
> >
> > I also declined to post any weather conditions to avoid confusion--probably not too relevant anyway. The lake on which I sail can tend to have strange currents, sometimes perpendicular to the wind, so let's assume conditions were calm.
> >
> > Thanks
> >
> > Eric
> >
> >
> >
> > Electric Yacht 100ibl system (motor is a Mars, but not sure what the model # is)
> > 100Ah AGM battery bank
> > Sillette MK2 outdrive (reduction drive 2:1)
> > 14" 3-blade fixed prop, 11" pitch
> >
> > KNOTS (GPS) / HOURS REMAINING / AMPS / VOLTS / RPM
> >
> > 2.4 / 14.6 / 6 / 50 / 720
> > 2.8 / 8.5 / 10 / 50 / 920
> > 3.7 / 3.6 / 23 / 49 / 1170
> > 4 / 2.7 / 29 / 49 / 1290
> > 4.6 / 1.6 / 47 / 48 / 1460
> > 5 / 1.2 / 63 / 48 / 1730
> >
> >
> >
>
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