X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 30 [X] Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1926232 for flyrotary@lancaironline.net; Sat, 17 Mar 2007 09:46:22 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao102.cox.net (InterMail vM.7.05.02.00 201-2174-114-20060621) with ESMTP id <20070317134533.WCYG28911.fed1rmmtao102.cox.net@fed1rmimpo01.cox.net> for ; Sat, 17 Mar 2007 09:45:33 -0400 Received: from BigAl ([72.192.132.90]) by fed1rmimpo01.cox.net with bizsmtp id bpla1W0021xAn3c0000000; Sat, 17 Mar 2007 09:45:34 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: Heat shield Date: Sat, 17 Mar 2007 05:45:44 -0800 Message-ID: <000001c7689a$8f850420$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C76857.8161C420" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C76857.8161C420 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable My experience with fiberfax was not ideal. I lined the bottom of my = cowling with it to protect the fiberglass from the heat of the exhaust -=20 unfortunately, it absorbs oil like a wick and I was concerned about just = that. Perhaps,if you cover the fiberfax with something like SS or = anything=20 to keep the oil away, then it may be OK. I also found it fairly = fragile=20 and easy to tear. Just my experience with it - YMMV =20 Ed =20 Ed; =20 Fiberfrax is intended as a thermal insulation used between other = surfaces, such as on the firewall behind a thin SS barrier. For your cowl = protection you might want to consider an aluminized reflective barrier such as:=20 http://www.jegs.com/webapp/wcs/stores/servlet/product_10001_10002_750869_= -1_ 10633 which will not absorb oil. I got it at a local speed shop. =20 Al ------=_NextPart_000_0001_01C76857.8161C420 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

My experience with fiberfax was not ideal.  I lined the bottom of my = cowling

with it to protect the fiberglass from the heat of the exhaust - =

unfortunately, it absorbs oil like a wick and I was concerned about just =

that.  Perhaps,if you cover the fiberfax with something like SS or anything =

to keep the oil away,  then it may be OK.   I also found it = fairly fragile

and easy to tear.  Just my experience with it - YMMV

 

Ed

 

Ed;

 <= /font>

Fiberfrax is = intended as a thermal insulation used between other surfaces, such as on the = firewall behind a thin SS barrier.  For your cowl protection you might want = to consider an aluminized reflective barrier such as:

http://www.jegs.com/webapp/wcs/stores/servlet/product_1= 0001_10002_750869_-1_10633

which will = not absorb oil.  I got it at a local speed shop.

 <= /font>

Al

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