X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 999633 for flyrotary@lancaironline.net; Mon, 27 Feb 2006 06:55:36 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=atlasyts@bellsouth.net Received: from ibm66aec.bellsouth.net ([65.8.69.134]) by imf23aec.mail.bellsouth.net with ESMTP id <20060227115452.PNRJ2859.imf23aec.mail.bellsouth.net@ibm66aec.bellsouth.net> for ; Mon, 27 Feb 2006 06:54:52 -0500 Received: from [65.8.69.134] by ibm66aec.bellsouth.net with ESMTP id <20060227115452.LDYG1818.ibm66aec.bellsouth.net@[65.8.69.134]> for ; Mon, 27 Feb 2006 06:54:52 -0500 Mime-Version: 1.0 (Apple Message framework v746.2) Content-Transfer-Encoding: 7bit Message-Id: <317986FA-647E-4793-8BE7-9BF082FCEBEB@bellsouth.net> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed To: Rotary motors in aircraft From: Bulent Aliev Subject: Muffler Date: Mon, 27 Feb 2006 06:55:20 -0500 X-Mailer: Apple Mail (2.746.2) Hi Joe, My guess is that the material you used it too thin and allows the pulses to flex the metal untill it fails. Heavier gauge may last longer Bulent "Buly" Aliev Ser# 066 / N484BD http://tinyurl.com/dcy36