Mailing List flyrotary@lancaironline.net Message #20627
From: Mark R Steitle <mark.steitle@austin.utexas.edu>
Subject: RE: [FlyRotary] Re: Aeroturbine muffler
Date: Fri, 22 Apr 2005 05:42:51 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Jerry, I'm thinking that 304ss will work in this application as the exhaust gasses have had a chance to cool some before reaching the muffler.  I could ask them if they will make one (or more) from 321 material.  Maybe ask them what kind of a deal they would make us on a group buy.   Mark  -----Original Message-----
From: Rotary motors in aircraft on behalf of Jerry Hey
Sent: Thu 4/21/2005 8:47 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Aeroturbine muffler

It depends on the type of SS.  Type 304 SS, the most common found in  mufflers and exhaust systems will not stand up "forever" to the heat of  a rotary. In fact, it might disappear quite quickly if the exhaust  blasts directly into a wall, such as a bend just outside the exhaust  port.   In tests in my forge I was able to get pieces of 304 to flake  when heated to 1600 degrees.  Of course thicker material dissipate heat  better and will last longer.  Type 321 is much more heat resistant.  It  might last forever depending on the thickness and the exhaust design.    Jerry


On Thursday, April 21, 2005, at 08:06 PM, Mark R Steitle wrote:


George,
Best I can tell, there is no packing in this muffler that can blow  out.  SS ought to handle the heat, and they're streamlined.  Or, they  are small enough to locate put in the cowl.

Mark




-----Original Message-----
From: Rotary motors in aircraft on behalf of George Lendich
Sent: Thu 4/21/2005 4:55 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Aeroturbine muffler

Mark,
It doesn't look that different from most mufflers, I don't know if it  has any packing or not. I had a quick look at the site but didn't see  any comment.
George ( down under)
  OK, while Ed is waiting for his side housings to arrive I thought I  would ask if anyone has heard, or tried this muffler.  Here is a snip  from their description of the truck/SUV muffler model 3030, which has  a 3' inlet/outlet.  They also make 2.5", 3.5", 4" and 5" inlet/outlet  models.  It comes with a lifetime warranty <big grin>.  It looks to be  very streamlined, made of SS, lightweight, and has no packing. It  sells for less than $200 (except for the 5" model).  This looks like  this just might be what I've been looking for.  More info available at  http://www.pickupspecialties.com/Aero_Turbine/ aeroturbine_mufflers.htm.  Comments???



  Mark S.

  (I have no affiliation with this company)

  The AT3030 is completely stainless steel inside and out. There is no  packing or moisture collecting material in the muffler. The  hand-polished stainless steel AT3030 will give you the look and feel  that you want and the performance you deserve. The Aeroturbine  Lifetime Warranty will guarantee that your investment is still  performing as long as you own your vehicle.




<winmail.dat> 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

Subscribe (FEED) Subscribe (DIGEST) Subscribe (INDEX) Unsubscribe Mail to Listmaster