Mailing List flyrotary@lancaironline.net Message #24715
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Stainless Steel 13B Exhaust Flange?
Date: Thu, 30 Jun 2005 09:59:13 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
looking to re-do my two hole exhaust system into a single tube.  Am looking for a source of 13B exhaust flange stainless steel.  I am aware that Mazdatrix has a Racing Beat Flange - however, I do not believe it is Stainless steel.  Anybody have a source? 
 
You're right about that flange not being stainless.  It's about a half inch mild steel, and it's heavy. 
 
I never could find any stainless ones, so I ended up making my own out of 1/4" 321 SS, which was probably overkill in thickness and grade of stainless.  I decided it was easier, and lighter to make two separate flanges, rather than try to copy the one piece flange.  As you see, the plasma cutter was a key ingredient in the process.  You'd be an (even) old (er) man if you try to cut this with a hacksaw :-) 
 
Cheers,
Rusty
 
 
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