X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 09 Mar 2011 08:26:26 -0500 Message-ID: X-Original-Return-Path: Received: from nm12.bullet.mail.sp2.yahoo.com ([98.139.91.82] verified) by logan.com (CommuniGate Pro SMTP 5.4c2) with SMTP id 4900184 for lml@lancaironline.net; Tue, 08 Mar 2011 21:09:34 -0500 Received-SPF: none receiver=logan.com; client-ip=98.139.91.82; envelope-from=randylsnarr@yahoo.com Received: from [98.139.91.62] by nm12.bullet.mail.sp2.yahoo.com with NNFMP; 09 Mar 2011 02:08:58 -0000 Received: from [98.139.91.14] by tm2.bullet.mail.sp2.yahoo.com with NNFMP; 09 Mar 2011 02:08:58 -0000 Received: from [127.0.0.1] by omp1014.mail.sp2.yahoo.com with NNFMP; 09 Mar 2011 02:08:57 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 995603.43688.bm@omp1014.mail.sp2.yahoo.com Received: (qmail 17256 invoked by uid 60001); 9 Mar 2011 02:08:57 -0000 DomainKey-Signature:a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=pLGlzSU6MQn3mwt0RWP2EDgPMoMrk7gFVE6Q/9hde+asNeFQcdK4FJXsFBGKPyFzrTF/nPWutK2z1NAiZMVS4UvpeBdlHzvzV/Kn7rmha7Y8fh+S0KHRz3J/obqgARyuFIklCLE9lm5s4pdUozCmWUV3lynlxbNa29OXHUUi7Po=; X-Original-Message-ID: <451370.16052.qm@web111404.mail.gq1.yahoo.com> X-YMail-OSG: mqR8BbcVM1mwKZ4aPWK3Uf1ClPXMGjbfdRbgxPBb7Ns3s56 qFIWv6k34eokKBtFR85SKkDWLpfs5V0J_XPxMwB6o940RPom48VEkGUnqSkP pSRgse2yYm4a8seHZ.VoXdiH7ekDug09qeP2HkArHKPy9hwZr5rY8ssWjWJ2 vQb8rKiAXJVuNoprCeB39ar5MJBY4xc3DgZNCIE.sWpGqA9x0Qkpw7JGVtfK w3iSnll0.EhwLVFzGyIFbu38JgvtUV_MPbX9lXLz4.0.oLFTGZ.OZeez9mNo mqDAz7OX0y9mHkPJ8OrTWVHbbrVyu4zL4rps5KwwY4XgYGPOBAo3UYIoTn4J VRQQk.ZK0tNl_PWXfPW6yAYmULBxON0sgJJQoO8KQ_OYpG2cdYqsDFliJkz1 WVDAKUZRbxDyp Received: from [76.8.220.21] by web111404.mail.gq1.yahoo.com via HTTP; Tue, 08 Mar 2011 18:08:57 PST X-Mailer: YahooMailClassic/11.4.20 YahooMailWebService/0.8.109.292656 X-Original-Date: Tue, 8 Mar 2011 18:08:57 -0800 (PST) From: randy snarr Subject: Re: [LML] Re: Burned dust cover looking for material that wontburn. X-Original-To: Lancair Mailing List In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1475131499-1299636537=:16052" --0-1475131499-1299636537=:16052 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Charles, Good points. Any thin metal will work even aluminum foil. The only rub is making it not ugly.. Randy.. "Flight by machines heavier than air is unpractical and insignificant, if n= ot utterly impossible" -Simon Newcomb, 1902 --- On Mon, 3/7/11, Charles Patton wrote: From: Charles Patton Subject: [LML] Re: Burned dust cover looking for material that wontburn. To: lml@lancaironline.net Date: Monday, March 7, 2011, 8:38 AM What about=A0 a small patch of thicker dull black anodized aluminum, or eve= n better, blackened copper?=A0 The marks I generally saw on my plane and ot= hers looked to be primarily melting the plastic.=A0 I recovered our dash's = plastic that had several melt "burn" marks with leather and ended up with o= ne more scorch mark on it -- not a big one, but still visible.=A0 So my t t= hought is that if the aluminum is thick enough, it will conduct the heat aw= ay and spread it out.=A0 That's why the alternate material of copper would = be even better, very high melting point, and better heat conductivity.=A0 W= hat I'm less clear on is the black copper coating durability.=A0=A0=A0Anodi= zed aluminum coatings are extremely robust.=A0 So the best of two worlds --= bonded aluminum/copper sandwiches like our "silver" coinage.=A0 The anodiz= ed aluminum up, and copper underneath? Regards, Charles Patton=A0 ex-LN2 owner -- For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html =0A=0A=0A --0-1475131499-1299636537=:16052 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Charles,
Good points.
Any thin metal wi= ll work even aluminum foil.
The only rub is making it not ugly..
Rand= y..

"Flight by machines heavier = than air is unpractical and insignificant, if not utterly impossible"
-Simon Newcomb, 1902

--- On Mon, 3/7/11, Charles Patton &= lt;charles.r.patton@ieee.org> wrote:

From: Charles Patton <charles.r.patton@ieee.org>
Subject: [LM= L] Re: Burned dust cover looking for material that wontburn.
To: lml@lan= caironline.net
Date: Monday, March 7, 2011, 8:38 AM


What about  a small patch of thicker dull black anodiz= ed aluminum, or even better, blackened copper?  The marks I generally = saw on my plane and others looked to be primarily melting the plastic.  I recov= ered our dash's plastic that had several melt "burn" marks with leather and= ended up with one more scorch mark on it -- not a big one, but still visib= le.  So my t thought is that if the aluminum is thick enough, it will = conduct the heat away and spread it out.  That's why the alternate mat= erial of copper would be even better, very high melting point, and better h= eat conductivity.  What I'm less clear on is the black copper coating = durability.   Anodized aluminum coatings are extremely robus= t.  So the best of two worlds -- bonded aluminum/copper sandwiches lik= e our "silver" coinage.  The anodized aluminum up, and copper undernea= th?
Regards,
Charles Patton  ex-LN2 owner

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