X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 04 Dec 2005 11:12:25 -0500 Message-ID: X-Original-Return-Path: Received: from msa1-gh.centurytel.net ([209.206.160.251] verified) by logan.com (CommuniGate Pro SMTP 5.0.3) with ESMTP id 862740 for lml@lancaironline.net; Sun, 04 Dec 2005 09:48:30 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.206.160.251; envelope-from=rsmiley@centurytel.net Received: from DOWNSTAIRS (d3-76.rb.gh.centurytel.net [69.29.194.76]) by msa1-gh.centurytel.net (8.13.4/8.13.4) with SMTP id jB4Elh1w020964 for ; Sun, 4 Dec 2005 08:47:43 -0600 X-Original-Message-ID: <007e01c5f8e1$b0b4b4d0$927dfea9@DOWNSTAIRS> From: "Bob Smiley" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] [Fwd: RE: [LML] Re: LNC2 Exhausting effort] X-Original-Date: Sun, 4 Dec 2005 06:47:46 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 One of your fotos shows an apparant solid bar or strap supporting the exhaust pipes. Solid mounted metal straps between the pipes and fuselage is a NO NO. Remember the motor is mounted on rubber shock mounts and it will move up, down and sideways from Gyroscopic and powerplant vibrations. You are setting yourself up for exhaust pipe, exhaust flange or hardpoint mount failure do to the restraint applied at the end of the exhaust pipes mounted to the airframe. Not a happy event in the air. The pipes should be integrally supported by the motor only and not supported at the ends onto the airframe. Clamping the two pipes together near the end with the tips is a good idea and offers triangular stabalization supportof the system yet allows the system to flat with the motor. Bob Smiley N94RJ