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Date: Sat, 12 Mar 2005 18:07:43 -0600
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Smaller Alternator
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And they're both 30 bucks on a wreck yard shelf, can be capacity tested 
free and be rebuilt for another $30 or $40 if they need it.
I've concluded that I've no need for anything but N-D alternators, and 
no need to buy them at a store. 
Aside from Paul, I don't recall ever having known one to fail. ... Jim S.

Paul wrote:

> Hi, Steve... unfortunately, I did not weigh the Geo alternator, but it 
> is definately smaller and lighter (probably by about 1/3 lighter).  
> After having my stock Mazda alternator fail because the plastic inside 
> broke and the screw got jammed into the field windings, then having it 
> rebuilt by the local alternator rebuilder who said the insides were 
> cheap and poorly constructed, I decided to give it another try. Two 
> weeks later, the alternator started overcharging.  That was it's last 
> chance.  Two strikes and you're out.
>    The Geo alternator looks identical, even the casting has the same 
> number of vent holes, same mounting tabs, same connector plug, etc.  A 
> carbon copy except for it's size. I wouldn't be surprised that they 
> are both from the same manufacturer.  Paul Conner
>
> ----- Original Message ----- From: "Steve Brooks" <prvt_pilot@yahoo.com>
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Sent: Saturday, March 12, 2005 7:30 AM
> Subject: [FlyRotary] Re: Smaller Alternator
>
>
>> Paul,
>>
>> Very nice.  I'd heard before that t was [possible to
>> mount the Geo alternator on the 13B, but I hadn't ever
>> obtained one. I also "feel" that the Mazda is more
>> reliable, but that is just based on knowing how GM
>> cuts corner, especially on low end cars.
>>
>> I'm curious if you weighed the stock alternator, and
>> the Geo, to see how much weight difference there is.
>> I'd be prone to change just for the weight loss.  55
>> amps would be more than enough.  I've never seen more
>> than about 40 amps after start, and that is just for a
>> few seconds.  Normal running current seems to be in
>> the 13 amp range, with just engine and GPS/Comm.
>> CUT by Paul Conner
>>
>
>
>>>  Homepage:  http://www.flyrotary.com/
>>>  Archive:   http://lancaironline.net/lists/flyrotary/List.html
>>
>
>