[Public-List] Alternators...

[Gordon Laco]

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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