Return-Path: Received: from ms-smtp-01.southeast.rr.com ([24.93.67.82] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2583619 for flyrotary@lancaironline.net; Wed, 17 Sep 2003 21:52:04 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-01.southeast.rr.com (8.12.5/8.12.2) with SMTP id h8I1if0R024053 for ; Wed, 17 Sep 2003 21:44:42 -0400 (EDT) Message-ID: <00ea01c37d87$2e02d3a0$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 20B Date: Wed, 17 Sep 2003 21:50:04 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E7_01C37D65.A6CFA1E0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_00E7_01C37D65.A6CFA1E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Wednesday, September 17, 2003 9:01 PM Subject: [FlyRotary] Re: 20B I followed Ed Anderson's lead and used 304-SS, schedule 40, from R.B. = Wagner (www.rbwagner.com). From what Ed discovered, the added wall = thickness is thick enough to dissipate the heat. The main pipe is = thinner as the worst of the heat has been dissipated by the time it gets = down that far downstream. He has been running his exhaust system for a = long time without any problem. The drawback is that its heavier than = thinwall. My 20B exhaust system weighs 20#. Mark S. WELL, I never claimed it was light, Mark {:>). In fact, folks have = told me that if I had just mounted it to the firewall more securily, I = could have used it as my engine mount. But, you are correct, no problem = with the headers after 293+ engine hours on them. I too use smaller = 0.065 stainless steel tube after the headers. =20 Ed Anderson ------=_NextPart_000_00E7_01C37D65.A6CFA1E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 Mark=20 Steitle
Sent: Wednesday, September 17, = 2003 9:01=20 PM
Subject: [FlyRotary] Re: = 20B

I followed Ed Anderson's lead and used 304-SS, schedule 40, from = R.B.=20 Wagner (www.rbwagner.com).  From what Ed = discovered, the=20 added wall thickness is thick  enough to dissipate the = heat.  The=20 main pipe is thinner as the worst of the heat has been dissipated by = the time=20 it gets down that far downstream.  He has been running his = exhaust system=20 for a long time without any problem.  The drawback is that its = heavier=20 than thinwall.  My 20B exhaust system weighs 20#.

Mark=20 S.

  WELL, I never claimed it was light, Mark = {:>).  In=20 fact, folks have told me that if I had just mounted it to the firewall = more=20 securily, I could have used it as my engine mount.  But, you are = correct,=20 no problem with the headers after 293+ engine hours on them. I too use = smaller=20 0.065 stainless steel tube after the headers. 
 
Ed = Anderson
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