X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao04.cox.net ([68.230.241.35] verified) by logan.com (CommuniGate Pro SMTP 5.1c.5) with ESMTP id 1456185 for flyrotary@lancaironline.net; Wed, 11 Oct 2006 12:20:44 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.35; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao04.cox.net (InterMail vM.6.01.06.01 201-2131-130-101-20060113) with ESMTP id <20061011161956.URDG22409.fed1rmmtao04.cox.net@fed1rmimpo02.cox.net> for ; Wed, 11 Oct 2006 12:19:56 -0400 Received: from BigAl ([72.192.132.90]) by fed1rmimpo02.cox.net with bizsmtp id Z4Kz1V0011xAn3c0000000 Wed, 11 Oct 2006 12:19:59 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Exhaust Update Date: Wed, 11 Oct 2006 09:20:02 -0700 Message-ID: <001101c6ed51$1af733e0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0012_01C6ED16.6E985BE0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0012_01C6ED16.6E985BE0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Subject: [FlyRotary] Re: Exhaust Update David, The method is to put the pipe thru the flange. I've attached two jpegs to show examples Bill Jepson Bill; Seems to me the tacks on the back side only add stress risers where you don't want them; a place for a crack to start. I suspect the practice of doing that is as an easy way to 'locate' the tube to flange. I think it would be better to fixture it some other way, and eliminate the tacks. Ya' think? Al ------=_NextPart_000_0012_01C6ED16.6E985BE0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Subject: [FlyRotary] Re: Exhaust Update

 

David, The method is to put the pipe = thru the flange. I've attached two jpegs to show examples 

 

Bill Jepson

 

Bill;

 

Seems to me the tacks on the back = side only add stress risers where you don’t want them; a place for a = crack to start.  I suspect the practice of doing that is as an easy way to = ‘locate’ the tube to flange.  I think it would be better to fixture it some = other way, and eliminate the tacks. Ya’ think?

 

Al 

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