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Chris,
I'm a little confused. Did you weld it back together the way it was
originally? Or did you modify it somehow?
I have this problem to solve as well for my Renesis.
Would like to see your pictures as well.
Bryan -----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of The Mallorys
Sent: Saturday, April 25, 2009 6:31 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Exhaust system wall thickness
Chris,
That is the approach I took for my Renesis. I spent the time to cut away
the outer shell from the stock manifold, leaving only the inside pieces.
Then I welded the two pieces together. None of my pictures show it very
well, so I'll have to take a new one if you need it.
Chris Mallory
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Bobby J. Hughes
Sent: Saturday, April 25, 2009 3:00 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Exhaust system wall thickness
Chris,
If I remember correctly you have a Renesis. If so, the stock manifold
can easily be cut down and used. It's a little heavy but you don't have
to worry about it holding up. I may try a lighter manifold in the
future. But for now it's one less thing to worry about during the first
100 hrs. The stock manifold can be had for under $100 but may take some
looking. It also has a good heat shield that can be partly used. At
least three folks on this list have taken this approach. Here's one on Ebay with no reserve and no bids. http://cgi.ebay.com/ebaymotors/RX8-Exhaust-Manifold-and-O2-sensor-No-Res
erve_W0QQitemZ230338894473QQcmdZViewItemQQimsxZ20090423?IMSfp=TL09042314
10006r30271
Bobby Hughes -----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Christopher Owens
Sent: Saturday, April 25, 2009 12:32 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Exhaust system wall thickness
Hi Al,
I agree, but don't have much experience with these kinds of metal and
how much they weigh. I suspected that if I asked about the high side,
someone would reply that I didn't need that much and make a good
recommendation. I do greatly appreciate the insight :-)
Best regards,
Chris
On Apr 25, 2009, at 12:49 AM, Al Gietzen wrote:
with, and I found some notes about using SS handrail tubing, approximately 0.12" in wall thickness. If one were to build matching muffler components to attach to those tubes, would 0.12" be sufficient
thickness (presuming 304SS or similar)? Thicker? Thinner?
Chris;
You're building an airplane. Weight matters. .035 inconel is good.
Al G
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