That's pretty impressive that you do 4 knots with only 20 amps. Your Ericson should be similiar to my Catalina 27 so I should expect similiar results with a comparible system.
--- In electricboats@
>
> Hi Doug,
>
> Your Catalina 27 should be a good platform for an electric auxiliary.
>
> There are plenty of posts here regarding actual installed system performance, I'm not sure how you would search for them other than reading through a lot of messages.
>
> Here are my specifics;
>
> Installed May of '08
> Ericson 27
> SolidNav Explorer
> Two 48 volt battery banks (4 group 27's and 4 group 31's both AGM)
> 12x10 three blade fixed prop
> Kipoint 48 volt charger, Pro Charging Systems Four Bank Pro
> PakTrakr battery monitor
> Various switches and cable
>
> At a draw of 20 amps I get 4 knots of boat speed. To date the longest I've motored was 7hrs at 20 amps and used only one of the banks.
>
> I also thought I would build a system myself but ended up buying a factory-built motor/controller/
>
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