Friday, September 9, 2011

[Electric Boats] Re: belt drives vs directly coupled motor shafts and torque

 

Sorry Eric, I missed that.........

Looking closer, the only snag I can see is that this set up only cools one of the two sets of stators. There is an identical stator at the other end of the motor, under the plastic cover, that also needs to be kept cool.

Jeremy

--- In electricboats@yahoogroups.com, "Eric" <ewdysar@...> wrote:
>
> Yep, that's the one that I was talking about in post #19655 on 9/07 when I wrote:
> "Hi Jeremy,
> Propulsion Marine has tested their external water cooling adapter and a 12V forced air fan and have documented a 30C reduction in motor temps under full load for a Motenergy ME0913. Data was collected using the manufacturer installed temp sensor buried in the windings...."
>
> Fair winds,
> Eric
> Marina del Rey, CA
>
>
> --- In electricboats@yahoogroups.com, "Jeremy" <jeremy_harris_uk@> wrote:
> >
> > Thanks for that link, Michael, it was exactly the sort of thing I was thinking of when I mentioned a copper plate with pipe soldered to it!
> >
> > Jeremy
> >
> > --- In electricboats@yahoogroups.com, Michael Mccomb <mccomb.michael@> wrote:
> > >
> > > ran across the very simple water cooled motor again, here is the link
> > >
> > > http://www.propulsionmarine.com/electric/7-kw-water-cooled-electric-drive
> > >
> > >
> > >
> >
>

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