X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-ma06.mx.aol.com ([64.12.78.142] verified) by logan.com (CommuniGate Pro SMTP 6.0c1) with ESMTP id 5698059 for flyrotary@lancaironline.net; Tue, 07 Aug 2012 20:23:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.78.142; envelope-from=CozyGirrrl@aol.com Received: from mtaomg-mb06.r1000.mx.aol.com (mtaomg-mb06.r1000.mx.aol.com [172.29.41.77]) by imr-ma06.mx.aol.com (8.14.1/8.14.1) with ESMTP id q780NE0a015070 for ; Tue, 7 Aug 2012 20:23:14 -0400 Received: from core-dsb002b.r1000.mail.aol.com (core-dsb002.r1000.mail.aol.com [172.29.253.5]) by mtaomg-mb06.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 318ABE000088 for ; Tue, 7 Aug 2012 20:23:14 -0400 (EDT) From: CozyGirrrl@aol.com Message-ID: <4d240.2da62fa2.3d530b72@aol.com> Date: Tue, 7 Aug 2012 20:23:14 -0400 (EDT) Subject: Re: [FlyRotary] Re: Exhaust flanges To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4d240.2da62fa2.3d530b72_boundary" X-Mailer: AOL 9.6 sub 5004 X-Originating-IP: [69.152.95.138] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1344385394; bh=f0xjouv0vE6nFeLMsMilzVlr8/j3Na8lRwMfNXlawJA=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=vGRZwkTOGFha/0nHa0mqqkG6W86TW2/1VTKdy9eV2jTJsYlkObbLHZRP90fS/bRgv LtWFSDng+xyyTF0v9VrGEUamKm4d3LdqCEK7PeY56U8w5aJAAs04fK1vsdJgcOXmwt PL/QOSwj4PwEjr3UuUV2Ef8s36x8OeTzKA/trQJU= X-AOL-SCOLL-SCORE: 0:2:500695520:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d294d5021b1724afa --part1_4d240.2da62fa2.3d530b72_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Mark, in our case expansion and contraction issues have been eliminated, the tubes float at the other end, they are not welded to anything. We are mostly concerned with leakage at the gasket if it is two separate flanges, if not an issue then we are ok. Chrissi & Randi In a message dated 8/7/2012 6:49:41 P.M. Central Daylight Time, msteitle@gmail.com writes: I made my 3-rotor exhaust flange one piece to try to control expansion/contraction and hopefully prevent cracking. So far, so good. You could always cut a hole in the bridge between the two ports to reduce some weight. Mark S. On Tue, Aug 7, 2012 at 5:47 PM, <_CozyGirrrl@aol.com_ (mailto:CozyGirrrl@aol.com) > wrote: We're curious about 13B turbo exhaust flanges, is there any reason they need to be one flange for both pipes or do you think it will seal up fine with one per? We're looking for small weight savings as well as easier to build up each pipe. The other ends of the pipes are floating with a double flange going into a collector. Chrissi & Randi --part1_4d240.2da62fa2.3d530b72_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Mark, in our case expansion and contraction issues have been eliminate= d,=20 the tubes float at the other end, they are not welded to anything. We are m= ostly=20 concerned with leakage at the gasket if it is two separate flanges, if not = an=20 issue then we are ok.
 
Chrissi &=20 Randi=20
 
In a message dated 8/7/2012 6:49:41 P.M. Central Daylight Time,=20 msteitle@gmail.com writes:
= I made=20 my 3-rotor exhaust flange one piece to try to control expansion/contracti= on=20 and hopefully prevent cracking.  So far, so good.  You could al= ways=20 cut a hole in the bridge between the two ports to reduce some=20 weight.

Mark S.=20

On Tue, Aug 7, 2012 at 5:47 PM, = <CozyGirrrl@aol.com> wrote:
We're curious about 13B turbo exhaust flanges, is there any reason= they=20 need to be one flange for both pipes or do you think it will seal up fi= ne=20 with one per?
We're looking for small weight savings as well as easier to build = up=20 each pipe. The other ends of the pipes are floating with a double flang= e=20 going into a collector.
 
Chrissi &=20 Randi


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