Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.93.67.84] verified) by logan.com (CommuniGate Pro SMTP 4.1.3) with ESMTP id 2584640 for flyrotary@lancaironline.net; Thu, 18 Sep 2003 14:48:50 -0400 Received: from o7y6b5 (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03.southeast.rr.com (8.12.5/8.12.2) with SMTP id h8IIkZ4S027812 for ; Thu, 18 Sep 2003 14:46:36 -0400 (EDT) Message-ID: <00e201c37e15$33b02260$1702a8c0@WorkGroup> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: 20B Date: Thu, 18 Sep 2003 14:46:42 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00DF_01C37DF3.AC7CF0A0" 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_00DF_01C37DF3.AC7CF0A0 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: Thursday, September 18, 2003 9:25 AM Subject: [FlyRotary] Re: 20B At 09:50 PM 9/17/2003 -0400, you wrote: =20 ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Wednesday, September 17, 2003 9:01 PM=20 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 =20 Ed Anderson However... you have to realize that the 20# figure for my exhaust = system is INCLUDING the muffler. Anyone know the weight of a Spin-Tech = muffler? =20 Mark S. =20 Thats impressive. My twin 4' holey tubes I use as exhaust mufflers = weighs 16lbs together plus weight of header. Ed ------=_NextPart_000_00DF_01C37DF3.AC7CF0A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
 
----- Original Message -----
From:=20 Mark=20 Steitle
Sent: Thursday, September 18, = 2003 9:25=20 AM
Subject: [FlyRotary] Re: = 20B

At 09:50 PM 9/17/2003 -0400, you wrote:
 =20
----- Original Message -----=20
From: Mark = Steitle=20
To: Rotary = motors in=20 aircraft=20
Sent: Wednesday, September 17, 2003 9:01 PM=20
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. =20 The main pipe is thinner as the worst of the heat has been = dissipated by=20 the time it gets down that far downstream.  He has been = running his=20 exhaust system for a long time without any problem.  The = drawback is=20 that its heavier than thinwall.  My 20B exhaust system weighs = 20#.

Mark 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=20 more securily, I could have used it as my engine mount.  But, = you are=20 correct, no problem with the headers after 293+ engine hours on = them. I=20 too use smaller 0.065 stainless steel tube after the = headers. =20
=20
Ed Anderson
However... you have to realize that the 20# figure for my exhaust = system=20 is INCLUDING the muffler.  Anyone know the weight of a Spin-Tech=20 muffler? 

Mark S. 
 
Thats impressive. My twin 4' holey = tubes I use as=20 exhaust mufflers weighs 16lbs together plus weight of = header.
 
Ed
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