[Public-List] Charging system

[Jonathan Bresler]

Fan belt able to handle the load at lower speeds and then slipping and
catching at higher rpm/load?

On Thu, Aug 26, 2021 at 7:49 PM Winslow Ayer via Public-List <
public-list at lists.alberg30.org> wrote:

> Also, why would it be fine between 900-1200 and then be erratic at higher
> rpms?
>
> Winslow
>
> > On Aug 26, 2021, at 4:32 PM, Andrew Johns <johnsab9 at gmail.com> wrote:
> >
> > 
> > Check your connections including your grounds.   An open on the charging
> circuit while running will kill the diodes.
> >
> >
> > Where do you keep your boat on Champlain?  We kept ours at the Moorings
> for years before we took off cruising.
> >
> >> On Thu, Aug 26, 2021 at 1:44 PM Winslow Ayer via Public-List <
> public-list at lists.alberg30.org> wrote:
> >> So, earlier this summer I had an issue with my charging system. The
> meter needle jumped around at higher rpms. Was working fine when we put in
> and seemed okay then my batteries died. I checked the charging at the
> alternator and it was only putting out 11 volts. Talked to a couple friends
> who knew a lot about electrical systems and they thought voltage regulator.
> I found one online, ordered it and installed it. No difference. Bad diode?
> I thought I would get a new 55 amp (since they don’t have 35 amp anymore)
> and have the other rebuilt over the winter then I’d have a spare. So
> anyway, I got a new one from Moyer and installed it. Voila, output 30 amps
> and 14.2 volts. Sweet. Problem solved. I thought. Yesterday while motoring
> up to go through the causeway to Malletts Bay my volt meter started jumping
> around. Fine from 900-1200 rpms but above that the needle jumped around
> like crazy. It did that before the other one went bad, so I’m hoping
> someone can help me figure this out before I blow the alternator.
> >>
> >> Winslow
> >> Tinkers Damn #283
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-- 
Jonathan M Bresler
S/V Constance Alberg 30 #262
Annapolis/Eastport MD