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Paul,
Thanks for the info. Iy just goes to show you that
perceived quality isn't always correct. With the
quality of the 13B engine, I guess that I just
"assumed" that the alternator was also high quality.
I'll deifinitely take a look around for a Geo
alternator. I also read Todd's note that he had a 65
Amp version, so I may go that route, but I wish that I
knew what they weighed. Maybe I can find a parts
store that has both, and find out before I get one.
Steve Brooks
--- Paul <sqpilot@bellsouth.net> 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
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