X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 13 Jul 2007 12:39:16 -0400 Message-ID: X-Original-Return-Path: Received: from bay0-omc3-s6.bay0.hotmail.com ([65.54.246.206] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2174626 for lml@lancaironline.net; Fri, 13 Jul 2007 00:38:35 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.206; envelope-from=gary21sn@hotmail.com Received: from hotmail.com ([65.54.250.77]) by bay0-omc3-s6.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.2668); Thu, 12 Jul 2007 21:37:56 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 12 Jul 2007 21:37:55 -0700 X-Original-Message-ID: Received: from 70.58.159.1 by BAY115-DAV5.phx.gbl with DAV; Fri, 13 Jul 2007 04:37:53 +0000 X-Originating-IP: [70.58.159.1] X-Originating-Email: [gary21sn@hotmail.com] X-Sender: gary21sn@hotmail.com From: "Gary Edwards" X-Original-To: "Lancair Mailing List" Subject: Re: Dimpled Firewalls X-Original-Date: Thu, 12 Jul 2007 21:37:51 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00FB_01C7C4CC.E5E1C720" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.50.0039.1900 Seal-Send-Time: Thu, 12 Jul 2007 21:37:51 -0700 X-OriginalArrivalTime: 13 Jul 2007 04:37:55.0990 (UTC) FILETIME=[9513E360:01C7C507] X-Original-Return-Path: gary21sn@hotmail.com This is a multi-part message in MIME format. ------=_NextPart_000_00FB_01C7C4CC.E5E1C720 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable What is everyone doing about the dimpled firewall effect you get when =20 you tighten your motor mount bolts up to the hard firewall with 3/8" =20 of soft fiberfrax behind it? I thought about putting phenolic =20 spacers behind each bolt but not really interested in the time to do =20 it. I dont care if my firewall is dimpled I just want to make sure =20 its safe. Anyone else have the dimple effect? I put spacers behind the stainless sheet after removing the appropriate = sized fiberfrax for every item that mounted to the firewall including = the engine mount so there would be not dimples or wrinkles. There were = a lot of holes and studs to deal with. Gary Edwards LNC2 N21SN Medford, Oregon=20 ------=_NextPart_000_00FB_01C7C4CC.E5E1C720 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
What is everyone doing about the dimpled firewall effect you = get=20 when 
you tighten your motor mount bolts up to the hard = firewall with=20 3/8" 
of soft fiberfrax behind it?    I thought = about=20 putting phenolic 
spacers behind each bolt but not really = interested in=20 the time to do 
it.  I dont care if my firewall is dimpled = I just=20 want to make sure 
its safe.  Anyone else have the dimple=20 effect?
 
I put spacers behind the stainless sheet after removing the = appropriate=20 sized fiberfrax for every item that mounted to the firewall including = the engine=20 mount so there would be not dimples or wrinkles.  There were a = lot of=20 holes and studs to deal with.
 
Gary Edwards
LNC2 N21SN
Medford, Oregon 

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