[Electric Boats] Re: Pros and Cons of Lower Voltage

 

The Mars motor are great and their efficiency is best at 48v, how ever dropping down to 24v is not going drop the efficiency by that much.
You will need to balance how much use you going to need for it and how much space for a battery bank you have.

--- In electricboats@yahoogroups.com, "Jak Mang" <jak.mang@...> wrote:
>
>
> I am looking at a Mars motor that turns at a high RPM (2400@48v). The supplier suggests a gear reduction with a belt drive to decrease RPM at the prop. What are the drawbacks of just lowering the voltage to 24 rather than the extra hardware? It seems that there would be some inefficiency from the belt. How does this compare to less than maximum efficiency at 24 volts?
>
> Thanks,
> -jak
>

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