X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 13 Jul 2007 15:39:55 -0400 Message-ID: X-Original-Return-Path: Received: from vms040pub.verizon.net ([206.46.252.40] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2175834 for lml@lancaironline.net; Fri, 13 Jul 2007 13:31:19 -0400 Received-SPF: pass receiver=logan.com; client-ip=206.46.252.40; envelope-from=sbej@verizon.net Received: from VALUED3253602F ([71.109.169.202]) by vms040.mailsrvcs.net (Sun Java System Messaging Server 6.2-6.01 (built Apr 3 2006)) with ESMTPA id <0JL400F7VOMR719B@vms040.mailsrvcs.net> for lml@lancaironline.net; Fri, 13 Jul 2007 12:30:28 -0500 (CDT) X-Original-Date: Fri, 13 Jul 2007 10:30:45 -0700 From: "sbej" Subject: Re: [LML] Re: Dimpled Firewalls X-Original-To: "Lancair Mailing List" X-Original-Message-id: <002901c7c573$8ca912b0$6602a8c0@VALUED3253602F> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-Mailer: Microsoft Outlook Express 6.00.2900.3138 Content-type: multipart/alternative; boundary="----=_NextPart_000_0026_01C7C538.DEE49030" X-Priority: 3 X-MSMail-priority: Normal References: This is a multi-part message in MIME format. ------=_NextPart_000_0026_01C7C538.DEE49030 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Seems like a lot work that is never mentioned in the manual. Was hoping = not to do that but I guess I have too. Bryan ----- Original Message -----=20 From: Gary Edwards=20 To: lml@lancaironline.net=20 Sent: Friday, July 13, 2007 9:39 AM Subject: [LML] Re: Dimpled Firewalls What is everyone doing about the dimpled firewall effect you get when = 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_0026_01C7C538.DEE49030 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Seems like a lot work that is never mentioned in = the=20 manual.  Was hoping not to do that but I guess I have = too.

Bryan
----- Original Message -----
From:=20 Gary=20 Edwards
Sent: Friday, July 13, 2007 = 9:39 AM
Subject: [LML] Re: Dimpled=20 Firewalls

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=20 in the time to do 
it.  I dont care if my firewall is = dimpled I=20 just 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=20 engine mount so there would be not dimples or = wrinkles.  There were=20 a lot of holes and studs to deal with.
 
Gary Edwards
LNC2 N21SN
Medford, Oregon 

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