[Public-List] Alternators...

[Anders Bro]

Oops, I thought you had that :-( sorry about that. Maybe get it from Delco,
or whoever the mfg is??

On Mon, Jul 16, 2018, 5:37 PM Gordon Laco via Public-List <
public-list at lists.alberg30.org> wrote:

> Well that’s all quite logical… but the missing ingredient is the output by
> the alternator at various rpm.
>
> Gordon Laco
> www.gordonlaco.com
>
>
>
>
> > On Jul 16, 2018, at 5:21 PM, Anders Bro via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > Yes, so multiply that rpm by the pulley ratio to come up with alternator
> > rpm, and make your own plot of output vs engine rpm?
> >
> > On Mon, Jul 16, 2018, 4:57 PM Gordon Laco via Public-List <
> > public-list at lists.alberg30.org> wrote:
> >
> >> True, but it’s the engine that has the RPM instrument…
> >>
> >> Gordon Laco
> >> www.gordonlaco.com
> >> #426 Surprise
> >>
> >>
> >>
> >>> On Jul 16, 2018, at 4:53 PM, Anders Bro via Public-List <
> >> public-list at lists.alberg30.org> wrote:
> >>>
> >>> Ya, but isn't that alternator rpm and not engine speed? Usually the
> >> pulleys
> >>> are sized to have alternator rpm higher than engine rpm.
> >>> Anders
> >>>
> >>> On Jul 16, 2018 4:39 PM, "Gordon Laco via Public-List" <
> >>> public-list at lists.alberg30.org> wrote:
> >>>
> >>> Hello friends…
> >>>
> >>> Do any of you have data on what the output curve of our Atomic IV’s
> >>> alternators will put out at various RPM’s?
> >>>
> >>> I’m looking at Moyer’s modern alternators, and noticed that they give
> >>> output figures for ‘normal operating speed of 2000rpm’.  Well even with
> >> the
> >>> boosted rpm our Campbell prop allows, we still don’t get more than 1500
> >>> going flat out… we cruise quietly at 1200.
> >>>
> >>> I understand our factory supplied alternators are ’30 amp’ but what is
> it
> >>> really delivering at real operational rpms?
> >>>
> >>> I understand that at lower rpm’s the alternator isn’t ‘excited’ so
> >> delivers
> >>> little amperage…But I don’t know what the critical rpm rate is to
> achieve
> >>> excitement
> >>>
> >>> I don’t understand this whole subject as well as I’d like to.
> >>>
> >>> Gordon Laco
> >>> #426 Surprise
> >>>
> >>>
> >>>
> >>>
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