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Message-ID: <20050313134502.31619.qmail@web51103.mail.yahoo.com>
Date: Sun, 13 Mar 2005 05:45:02 -0800 (PST)
From: Steve Brooks <prvt_pilot@yahoo.com>
Subject: Re: [FlyRotary] Re: Smaller Alternator
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: 6667
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Joe,
I live just south of Raleigh, NC now, but I did live
in Chappells, SC, which is a very small town.  My
plane is still at Greenwood (GRD), which is where I
always flew out of while I was living in SC.

I'm in the process of building a house in Angier NC,
which is taking allot of my time, and when I get a
chance, I come back to SC to fly/work on the plane.  

Steve

--- Joe <Jewen@Comporium.net> wrote:
> Hi Steve,
> Where in SC are you?  I am in Lancaster,SC.
> Joe
> 
> ----- Original Message ----- 
> From: "Steve Brooks" <prvt_pilot@yahoo.com>
> To: "Rotary motors in aircraft"
> <flyrotary@lancaironline.net>
> Sent: Saturday, March 12, 2005 8:30 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.
> > 
> > I'm in SC right now and planning to do some work
> on
> > the plane today.  I found some interference in the
> > aileron control, caused by the elevator tube
> hitting
> > the vacuum line.  I'm going to cut off the 5/8"
> vacuum
> > line where it comes through the bottom of the
> firewall
> > and run 3/8 to the regulator.  It is 3/8 after the
> > regulator anyways, but I ran 5/8 from the rear to
> the
> > front and up to the regulator, because of the long
> > run.  I don't think that changing out 2' of line
> from
> > 5/8 to 3/8 will hurt me, but it'll gain a 1/4" of
> > clearance which will resolve the interference
> issue.
> > 
> > Probably won't be able to fly today due to high
> winds,
> > but hopefully will get in a couple of hours
> tomorrow
> > before heading back to NC.
> > 
> > Steve Brooks
> > 
> > 
> > 
> > 
> > --- Paul <sqpilot@bellsouth.net> wrote:
> > > I purchased and installed a smaller alternator
> for
> > > my rotary powered SQ2000. It is an alternator
> for a
> > > 1995-1997 Geo Metro automobile, and is 55 amps,
> and
> > > smaller than the stock Mazda alternator. 
> > > Fortunately, the width of the mounting ears and
> > > location of the tang where the alternator
> adjustment
> > > bracket attach are in the same location.  It
> looks
> > > identical to the 1989 Mazda alternator, except
> for
> > > it's reduced size. It is 55 amps. 
> > >      It came with a small serpentine grooved
> pulley,
> > > so I removed that and installed the double
> grooved
> > > pulley I got from Rusty. (Thanks, Rusty).
> > > Unfortunately, the pulley was concaved on the
> rear
> > > and would rub against the alternator body, so I
> had
> > > to make a small spacer to move the pulley just
> far
> > > enough away from the alternator case so it would
> not
> > > make contact. Fortunately, there were enough
> threads
> > > left to install the pulley. I also had to make a
> > > small sleeve to fit over the threads so that the
> > > pulley had more contact area inside (so that it
> > > would be on the new shoulder instead of against
> > > threads). 
> > >      The only other change necessary was the
> > > alternator mounting thru-bolt. The stock Mazda
> was
> > > 10 mm, and the new alternator required an 8 mm
> bolt.
> > >  I just went to CarQuest and got a 10mm to 8mm
> valve
> > > guide and as you can see in the picture, that
> was
> > > the end of that problem. Hope this is useful
> > > information to someone....anyone...???
> > >     Paul Conner> >>  Homepage: 
> > http://www.flyrotary.com/
> > > >>  Archive:  
> > >
> http://lancaironline.net/lists/flyrotary/List.html
> > > 
> > 
> > >>  Homepage:  http://www.flyrotary.com/
> > >>  Archive:  
> http://lancaironline.net/lists/flyrotary/List.html
> 
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:  
> http://lancaironline.net/lists/flyrotary/List.html
>