[Public-List] Alternators

[Gordon Laco]

Good points, Stephen, thank you

G

Sent from my iPhone

> On Jul 18, 2018, at 10:28 PM, Stephen Gwyn via Public-List <public-list at lists.alberg30.org> wrote:
> 
> A few points:
> 
> 1) Don't get a clamp on ammeter to measure power. They aren't very accurate
> a low level DC currents. And they are expensive. Do get a instrument panel
> mounted ammeter. I just got one for 35$.
> 
> 2) If you can't find the RPM-> Amps curve for your alternator, take to an
> alternator shop. They can put it on a machine and tell you. They can also
> change your pulley for a smaller one which will give you more amps per
> engine RPM. If you do that however, you will almost certainly need a
> different alternator belt.
> 
> 3) The excitor doesn't need high RPMs to work. It gets it's power from the
> batteries. But alternators do usually have a steep power curve at low RPMs.
> 
> 4) Your sailing style heavily affects what kind of alternator you need.
> Normally, I motor maybe an hour a day (half an hour to get in and out of
> harbour) once a week. That also carries over into normal cruising, where I
> spend a lot more time sailing (or at anchor) than motoring. This summer,
> I'm up windless inlets and fjords a lot more, so if anything my batteries
> are over charged.
> 
> SG
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> Public-List mailing list
> Public-List at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org