Thanks for the effort and the response. I measured at your points and
that's roughly what I came up with, so I guess the original builder was
going for a lighter engine.
----- Original Message -----
From: "Jim Cole" <jcole@rangroup.com>
To: <rebel-builders@dcsol.com>
Sent: Friday, January 26, 2007 11:11 AM
Subject: [rebel-builders] Re: Firewall
Hi Bob/Richard, I just went out to the hangar and measured my firewall
which I didn't cut back. Now it depends exactly where you measure - but
for rough comparison measure from the door post at the top of FUS 11
(which is the side panel between the two corner wraps) - 22 inches while
at the bottom of the door it was 24 inches. My firewall flange is facing
forward.
Cheers
Jim 333
Bob Patterson wrote:
Hi Richard !
Others have covered the FUS-30 doubler - I would just order an
extra from the factory, because of the bends....
It's hard to tell about your firewall position from the pics on
Barnstormers, but it does look like it was moved back 3" --- but this
necessitates a steel "shelf" sticking out from the top of the firewall
to fill in under the windshield - which is not in the pics ....
Sorry, don't have a measurement for reference .... If you can
post a side view pic, it would be easier to tell.
There's nothing to worry about if it wasn't moved - most builders
today do not move it back, regardless of engine. This gives a much
wider range of engine choices .... If it was moved, you are stuck
with an O-320 or similar (O-290 is not a good choice - haven't been
made since about 1954, and parts are 5 times the price of O-320
parts !! Also, often slightly heavier than O-320's ... and more
prone to valve problems ... :-( )
The rivet gun is used stock - the modified rivet gun trick only
applies to Zenith kits - because they use a different rivet style
& technique.
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