X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mta21.charter.net ([216.33.127.81] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3595622 for flyrotary@lancaironline.net; Fri, 24 Apr 2009 14:02:34 -0400 Received-SPF: neutral receiver=logan.com; client-ip=216.33.127.81; envelope-from=rotary@cmowens.com Received: from imp10 ([10.20.200.10]) by mta21.charter.net (InterMail vM.7.09.01.00 201-2219-108-20080618) with ESMTP id <20090424180150.DWIX3344.mta21.charter.net@imp10> for ; Fri, 24 Apr 2009 14:01:50 -0400 Received: from [192.168.0.100] ([24.241.157.64]) by imp10 with charter.net id jW1n1b00G1Pewrc05W1n7S; Fri, 24 Apr 2009 14:01:50 -0400 Mime-Version: 1.0 (Apple Message framework v753.1) Content-Transfer-Encoding: 7bit Message-Id: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed To: Rotary motors in aircraft From: Christopher Owens Subject: Exhaust system wall thickness Date: Fri, 24 Apr 2009 13:02:53 -0500 X-Mailer: Apple Mail (2.753.1) Hi all, Looking through the archives today, searching for some additional information regarding materials to build a rotary exhaust system 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? Many thanks and best regards, Chris