Sunday, July 17, 2011

[Electric Boats] Re: Sevcon PMAC failures

 

When you replaced your Millipak with the Gen 4, how did you adapt the
20 pin connector to the 35 pin connector?

--- In electricboats@yahoogroups.com, "aweekdaysailor" <aweekdaysailor@...> wrote:
>
> BTW - the PMAC has been replaced by the G series. I had mine (G) programmed by Thunderstruck to reduce the braking force* - and got almost -2amps continuous last weekend on regen - albeit in 35kt winds... (~100watts nothing to sneeze at - and remember I'm the regen skeptic). It also allows for a fwd/rev throttle (no separate switch) which is nice.
>
> -Keith
>
> *my theory was that the prop was generally stalled due to golfcart braking program - and so you had to spin it so fast as to negate the regen potential
>
> --- In electricboats@yahoogroups.com, "Tom" <boat_works@> wrote:
> >
> > As an owner of a Millipak PMAC controller I am concerned about the failures that have been reported to this group.
> >
> > I understand that some of the failures have been preventable (corrosion issues, incorrect wiring, etc). Thanks to the group members that have reported these failures, it benefits the EP community.
> >
> > I would like to know if anybody has had a Millipak PMAC controller fail in a correctly installed and previously reliable installation. I don't mean a controller that shuts down or cuts back output to protect itself, I mean a "suddenly failed and now is only good for a doorstop" type of failure.
> >
> > Anybody have one die without cause?
> >
> > -Tom
> >
>

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