X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3744918 for flyrotary@lancaironline.net; Sat, 04 Jul 2009 13:44:41 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo02.cox.net ([70.169.32.72]) by fed1rmmtao102.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20090704174403.JYCZ20976.fed1rmmtao102.cox.net@fed1rmimpo02.cox.net> for ; Sat, 4 Jul 2009 13:44:03 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo02.cox.net with bizsmtp id Btjz1c00E1hf1Cg04tk3Do; Sat, 04 Jul 2009 13:44:03 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=QEiStqahiBcA:10 a=jBWawZsU6xHkcgepmwEA:9 a=q-F6n3cmmMkpDoTzq-Dc20b1oUIA:4 a=VO-3ZIMJcZXnD-1c6isA:9 a=aYYo_lRMqF8BSFZZmP0A:7 a=0K5UA8dVnyIdYR-iXGp_plkFMgYA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Fire Shield or Heat Sheild [FlyRotary] Re: P M Alternator Project Date: Sat, 4 Jul 2009 10:44:35 -0800 Message-ID: <085DD1CA843B4FA5B335DC2B231BF504@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0026_01C9FC94.6E4A6B20" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 In-Reply-To: Importance: Normal Thread-Index: Acn7mqKz7HmGcE2SRJqSXYfiyxXwyQBPFX4g This is a multi-part message in MIME format. ------=_NextPart_000_0026_01C9FC94.6E4A6B20 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I chose to cover the firewall with a light gauge SS (~.015) over fiberfrax (IIRC, 1/8"). Aluminum is not a fire barrier, it's melting point is too low. Al G ------=_NextPart_000_0026_01C9FC94.6E4A6B20 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I chose to cover the firewall with a light gauge SS (~.015) over fiberfrax = (IIRC, 1/8”). Aluminum is not a fire barrier, it’s melting = point is too low.

Al G

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