X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 04 Sep 2007 08:53:53 -0400 Message-ID: X-Original-Return-Path: Received: from one.1gir.no ([217.168.144.91] verified) by logan.com (CommuniGate Pro SMTP 5.1.12) with ESMTPS id 2309077 for lml@lancaironline.net; Mon, 03 Sep 2007 14:20:40 -0400 Received-SPF: none receiver=logan.com; client-ip=217.168.144.91; envelope-from=roger@iverin.com Received: from www.iverin.com (localhost [127.0.0.1]) by localhost (8.11.6/8.11.6) with ESMTP id l83H9iG11997 for ; Mon, 3 Sep 2007 19:09:44 +0200 From: "Roger Iverin" X-Original-To: "Lancair Mailing List" Subject: Re: [LML] 360 engine baffling installation X-Original-Date: Mon, 3 Sep 2007 19:09:44 +0200 X-Original-Message-Id: <20070903170840.M19010@iverin.com> In-Reply-To: References: X-Mailer: Open WebMail 2.51 20050627 X-OriginatingIP: 194.19.99.230 (iverin01) MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=OPENWEBMAIL_ATT_0.914131333210634" This is a multi-part message in MIME format. ------=OPENWEBMAIL_ATT_0.914131333210634 Content-Type: text/plain; charset=iso-8859-1 Who made the plenum/duct for you ?? Roger Iverin On Mon, 03 Sep 2007 13:00:00 -0400, LHenney wrote > Peter, >   > I believe about ½” would be adequate for 90% of yourbaffling gaps. However, during engine start and shut down you will still getan occasional contact of metal to glass. This has spider cracked the gel coaton numerous cowls (over the years). Perhaps ¾” would have beenadequate. However, around the top of number 1 & 2 cylinders I did not havethat much clearance. ). I built my baffles twice before shifting to a cooling plenum(duct) out of frustration with that contact damage. In addition to bettercooling ( big factor!) , the plenum allowed rounded edges, smoother contactsurfaces, and overall less maintenance. >   > Larry > N360LH -- Open WebMail Project (http://openwebmail.org) ------=OPENWEBMAIL_ATT_0.914131333210634 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Who made the plenum/duct for you ??

Roger Iverin

On Mon, 03 Sep 2007 13:00:00 -0400, LHenney wrote
> Peter,
> =A0
> I believe about =BD=94 would be adequate for 90% of=20 your baffling gaps. However, during engine start and shut down you will still= =20 get an occasional contact of metal to glass. This has spider cracked the gel= =20 coat on numerous cowls (over the years). Perhaps =BE=94 would have=20 been adequate. However, around the top of number 1 & 2 cylinders I did not= =20 have that much clearance. ). I built my baffles twice before shifting to a cool= ing=20 plenum (duct) out of frustration with that contact damage. In addition to=20 better cooling ( big factor!) , the plenum allowed rounded edges, smoother=20 contact surfaces, and overall less=20 maintenance.
> =A0
> Larry
> N360LH


--=20
Open WebMail Project (http://openwebmail.org)=20

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