X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-mb02.mx.aol.com ([64.12.207.163] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTP id 5576889 for flyrotary@lancaironline.net; Sun, 03 Jun 2012 23:27:11 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.207.163; envelope-from=DLOMHEIM@aol.com Received: from mtaomg-da02.r1000.mx.aol.com (mtaomg-da02.r1000.mx.aol.com [172.29.51.138]) by imr-mb02.mx.aol.com (8.14.1/8.14.1) with ESMTP id q543QY3j031039 for ; Sun, 3 Jun 2012 23:26:34 -0400 Received: from core-mdb002b.r1000.mail.aol.com (core-mdb002.r1000.mail.aol.com [172.29.45.69]) by mtaomg-da02.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 21C95E000081 for ; Sun, 3 Jun 2012 23:26:34 -0400 (EDT) From: DLOMHEIM@aol.com Message-ID: <4f24.723fc6e3.3cfd84e9@aol.com> Date: Sun, 3 Jun 2012 23:26:34 -0400 (EDT) Subject: Re.Exhaust Progress To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_4f24.723fc6e3.3cfd84e9_boundary" X-Mailer: 9.0 Security Edition for Windows sub 5378 X-Originating-IP: [98.188.125.114] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1338780394; bh=Hj20LKJ8o+0+K9PbsMqmK3Xyi0P/TeNYvwOS9K27Glc=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=t6agfNX8fCbV6okVr2rXT12jtLAS6UfuA/MSqlOU5ZI7daCGI1J1eXwgLAWmVY9fl KHRChnoLLIjVQ1i49fmEZhLiljY84XQrisxxN1azFZhv3tOp4k10aDBylHljvgAoM/ YGDShzqqxUpffgaNQWf0Gewey/ithYR1FT5gvX0o= X-AOL-SCOLL-SCORE: 0:2:449662784:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d338a4fcc2aea1983 --part1_4f24.723fc6e3.3cfd84e9_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en =20 >That looks really good, Doug! Don=E2=80=99t forget to stick in a couple = of=20 thermocouples for EGT. You may also >need a bung for an O2 sensor if you a= re=20 going to try and measure the F/A ratio.=20 >Bill B=20 Roger that Bill. I have two thermocouples and an O2 sensor and bung=20 purchased and ready to add when I have my welder add the 90 degree down pi= pe=20 post collector... =20 >...Rather than a rigid support, you might consider installing a damping= =20 element to prevent or minimize resonant vibrations. Ball joints close to t= he=20 >header flanges might also be worth considering in which case, rigid =20 support at the collector might be effective.=20 >At least, that was what I saw. The experience of others may be different.= =20 >Steve Boese=20 Thanks Steve: Will definitely consider your inputs based on testing...= =20 Doug =20 --part1_4f24.723fc6e3.3cfd84e9_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en

>Tha= t looks=20 really good, Doug!  Don=E2=80=99t forget to stick in a couple of therm= ocouples for=20 EGT. You may also >need a bung for an O2 sensor if you are going to try = and=20 measure the F/A ratio.

>Bil= l=20 B

Roger that Bill.  I have two thermocouples and=20 an O2 sensor  and bung purchased and ready to add when I hav= e my=20 welder add the 90 degree down pipe post collector... =20

>...Rather than a rigid support, you might consider inst= alling=20 a damping element to prevent or minimize resonant vibrations. Ball joints c= lose=20 to the >header flanges might also be worth considering in which case, ri= gid=20 support at the collector might be effective.

>At least, that was what I saw. The experience = of=20 others may be different.

>Steve Boese

Than= ks=20 Steve:  Will definitely consider your inputs based on=20 testing...

Doug= =20

 

 = =20

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