X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 10 Apr 2008 01:11:01 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-spurfowl.atl.sa.earthlink.net ([209.86.89.66] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2838276 for lml@lancaironline.net; Wed, 09 Apr 2008 00:20:40 -0400 Received-SPF: none receiver=logan.com; client-ip=209.86.89.66; envelope-from=rpharis@teamimc.com Received: from [71.80.236.247] (helo=ws1) by elasmtp-spurfowl.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1JjRmz-0000pD-Rh for lml@lancaironline.net; Wed, 09 Apr 2008 00:20:02 -0400 Reply-To: From: "Rod Pharis" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] Re: legacy exhaust heat shield option X-Original-Date: Tue, 8 Apr 2008 21:21:03 -0700 X-Original-Message-ID: <004101c899f9$1ffadda0$6401a8c0@ws1> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0042_01C899BE.739E4F90" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.2416 (9.0.2910.0) Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1914 In-Reply-To: X-ELNK-Trace: 1293b74446918d85d780f4a490ca6956abb457f1b4332f52fd0f7c1b73905d7863636a2f85e6c4a1350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.80.236.247 This is a multi-part message in MIME format. ------=_NextPart_000_0042_01C899BE.739E4F90 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit It's an issue of burning the paint aft of the existing insulation blanket and above the exhaust tip. Also, the strength of a carbon composite structural panel is reduced while at elevated temperatures. Rod -----Original Message----- From: Lancair Mailing List [mailto:lml@lancaironline.net]On Behalf Of Alan Adamson Sent: Tuesday, April 08, 2008 10:23 AM To: lml@lancaironline.net Subject: [LML] Re: legacy exhaust heat shield option I guess I'm confused, isn't the issue one of not the material, but more so stopping the darkening of the paint, and associated exhaust stain... And isn't that why people where interested in the stainless version? After all, this isn't a *heat* isolation issue, the blanket does that quite nicely. It's all about looks and keeping the looks perfect. I know of no way to do that with another composite piece. It's either metal or nothing to resolve the primary issue that most are trying to address with the Legacy exhaust tunnels... Or do I have it all wrong? Alan ---------------------------------------------------------------------------- -- From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of larry.eversmeyer@faa.gov Sent: Monday, April 07, 2008 9:04 PM To: lml@lancaironline.net Subject: [LML] Re: legacy exhaust heat shield option 2. How many of you would be interested in carbon carbon exhaust heat shields instead of the stainless steel? I assume you are referring to where the exhaust comes out in the back of the cowling and below the fuselage. I would be interested in a set. Still building Larry Eversmeyer "Russell" Sent by: "Lancair Mailing List" 04/04/2008 09:00 PM Please respond to "Lancair Mailing List" To lml@lancaironline.net cc Subject [LML] legacy exhaust heat shield option I have been doing some investigation and found that it is probable to manufacture exhaust heat shields out of Carbon Carbon. What I like to know who is the following. 1. Does someone have a flying legacy and is willing to help with some data that we need. I would be happy to compensate you for your time. 2. How many of you would be interested in carbon carbon exhaust heat shields instead of the stainless steel? Once we obtain the data I need from a flying legacy and confirm the numbers for the temperature ranges. The production could start very shortly. Russell ------=_NextPart_000_0042_01C899BE.739E4F90 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
It's=20 an issue of burning the paint aft of the existing insulation blanket and = above=20 the exhaust tip.  Also, the strength of a carbon composite = structural panel=20 is reduced while at elevated temperatures.
 
Rod
-----Original Message-----
From: Lancair Mailing = List=20 [mailto:lml@lancaironline.net]On Behalf Of Alan = Adamson
Sent:=20 Tuesday, April 08, 2008 10:23 AM
To:=20 lml@lancaironline.net
Subject: [LML] Re: legacy exhaust heat = shield=20 option

I guess I'm confused, isn't the issue one of = not the=20 material, but more so stopping the darkening of the paint, and = associated=20 exhaust stain... And isn't that why people where interested in the = stainless=20 version?  After all, this isn't a *heat* isolation issue, the = blanket=20 does that quite nicely.  It's all about looks and keeping the = looks=20 perfect.  I know of no way to do that with another composite = piece. =20 It's either metal or nothing to resolve the primary issue that most = are trying=20 to address with the Legacy exhaust tunnels...
 
Or do I have it all = wrong?
 
Alan

From: Lancair Mailing List=20 [mailto:lml@lancaironline.net] On Behalf Of=20 larry.eversmeyer@faa.gov
Sent: Monday, April 07, 2008 = 9:04=20 PM
To: lml@lancaironline.net
Subject: [LML] Re: = legacy=20 exhaust heat shield option


2.   =    =20 How many of you would be interested in carbon carbon exhaust heat = shields=20 instead of the stainless steel?  I assume you = are referring=20 to where the exhaust comes out in the back of the cowling and below = the=20 fuselage.  I would be interested in a set.  Still = building=20

Larry Eversmeyer =


"Russell"=20 <N2AA@bellsouth.net>
Sent by: "Lancair Mailing List"=20 <lml@lancaironline.net>=20

04/04/2008 09:00 PM=20
Please respond=20 to
"Lancair Mailing List"=20 = <lml@lancaironline.net>

<= /P>

To
lml@lancaironline.net=20
cc
Subject
[LML] legacy exhaust = heat shield=20 option

=




<= FONT=20 face=3DCalibri size=3D2>I have been doing some investigation and found = that it is=20 probable to manufacture exhaust heat shields out of Carbon = Carbon. What=20 I like to know who is the following.
 
1.   =    =20 Does someone have a flying legacy and is willing to help with some = data that=20 we need.  I would be happy to compensate you for your = time.=20
2.       How many of = you would be=20 interested in carbon carbon exhaust heat shields instead of the = stainless=20 steel?
  =
Once we obtain the data I need from a flying = legacy and=20 confirm the numbers for the temperature ranges.  The production = could=20 start very shortly.
 =20
Russell =
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