REFLECTOR: Fwd: Re: Alternator Repair

Tue Dec 9 22:21:18 CST 2014

True.  This alternator is for CCW rotation on the fan.

What gets me is that NAPI said they couldn't get parts.  I call BS on 
that.  I'm going to buy a new stator and diode assembly, and upgrade the 
voltage regulator to one that has remote sense.

I have the case, and it's fine.

On 12/09/2014 09:37 PM, Jeff Barnes via Reflector wrote:
> The cooling fins might be reversed to accomodate AV rotation.
>
> ------------------------------------------------------------------------
> *From:* Brian Michalk via Reflector <reflector at tvbf.org>
> *To:* Laurence Coen <lwcoen at hotmail.com>; Velocity Aircraft Owners and 
> Builders list <reflector at tvbf.org>
> *Sent:* Tuesday, December 9, 2014 9:09 PM
> *Subject:* Re: REFLECTOR: Fwd: Re: Alternator Repair
>
> Thanks.  That sounds about my speed.
>
> I disassembled the NAPI alternator, and honestly can't tell the 
> difference from this PMA alternator vs an automotive version.  Perhaps 
> the rotor is balanced, but that alone should not be an issue.
>
>
>
>
> On 12/09/2014 10:58 AM, Laurence Coen via Reflector wrote:
> Brian,
> I have a Mazda B 2000 alternator on my Franklin that has been trouble 
> free.  I think it is rated at 55A and has an internal regulator.
> Larry Coen
> N136LC ( sold yesterday)
>
> *From:* Brian Michalk via Reflector <mailto:reflector at tvbf.org>
> *Sent:* Monday, December 08, 2014 12:27 PM
> *To:* Velocity Aircraft Owners and Builders list 
> <mailto:reflector at tvbf.org> ; Main Forum 
> <mailto:forum at velocityowners.com>
> *Cc:* napi at att.net <mailto:napi at att.net>
> *Subject:* REFLECTOR: Fwd: Re: Alternator Repair
>
> Hmmph.
>
> I bought two 60 amp alternators from National Air Parts, many years 
> ago, spending more than $500 (per alternator).  I even bought two of 
> these, thinking I was buying reliability.
>
> It was chronically under voltage with the stock voltage regulator, 
> never producing more than 13 volts.  I emailed them about this, and 
> they said that was within design.  So, I replaced the voltage 
> regulator with an off the shelf replacement that fits perfectly.  I 
> flew around with it, and decided to upgrade my spare alternator too.  
> I removed the cover and found that a stator lead had burned through 
> where it is held down by a screw.
>
> In my opinion, this is not a difficult problem to fix, I think I could 
> even do it myself, but I'd rather pay to have it done properly.  I 
> spent a premium on a real alternator, then they come back with a 
> response like this?
>
> This is poor customer support, and is uncalled for. Just letting 
> everyone else out there know about how they treat their customers.
>
>
> -------- Original Message --------
> Subject: 	Re: Alternator Repair
> Date: 	Sun, 7 Dec 2014 23:02:42 -0500
> From: 	Alfred Petrone <napi at att.net> <mailto:napi at att.net>
> To: 	Brian Michalk <michalk at awpi.com> <mailto:michalk at awpi.com>
>
>
>
> Unit was discontinued years ago. Sorry no service available.
>
> Sent from my iPad
>
> > On Dec 7, 2014, at 9:48 PM, Brian Michalk<michalk at awpi.com>  <mailto:michalk at awpi.com>  wrote:
> >
> > I have an old alternator with about 50 hours tach time.  I actually have two of them, and retrofitted my spare with a voltage sensing regulator.  I was going to do the same to this one, and opened up the back to find that one of the winding leads burned through.
> >
> > Is it possible to repair this alternator?
> >
> > <IMG_20141207_203352.jpg>
> > <IMG_20141207_203716.jpg>
>
>
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