X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 11 Jan 2012 06:16:21 -0500 Message-ID: X-Original-Return-Path: Received: from mail.carneal.com ([174.129.224.69] verified) by logan.com (CommuniGate Pro SMTP 5.4.3) with ESMTPS id 5345086 for lml@lancaironline.net; Tue, 10 Jan 2012 18:07:26 -0500 Received-SPF: none receiver=logan.com; client-ip=174.129.224.69; envelope-from=walter@advancedpilot.com Received: (qmail 11172 invoked from network); 10 Jan 2012 23:06:52 -0000 Received: from c-75-71-5-203.hsd1.co.comcast.net (HELO ?10.0.1.9?) (walter@advancedpilot.com@75.71.5.203) by mail.carneal.com with ESMTPA; 10 Jan 2012 23:06:52 -0000 From: Walter Atkinson Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-1-37259543 Subject: Re: [LML] Re: Ceramic exhaust coatings X-Original-Date: Tue, 10 Jan 2012 16:06:50 -0700 In-Reply-To: X-Original-To: "Lancair Mailing List" References: X-Original-Message-Id: <6D15DE1D-5E02-47AE-A67E-E46D45DBF3E2@advancedpilot.com> X-Mailer: Apple Mail (2.1084) --Apple-Mail-1-37259543 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Think about this: Ceramic coating the insides of exhaust plumbing does protect the the = metal and does keep it cooler. Coating the outside holds the heat in = which means the metal will run hotter. Is that desirable? On a turbo, coating the inside has resulted in flakes chipping off and = damaging the turbo rotors. Is that desirable? I will admit that it sure looks nice. Walter On Jan 10, 2012, at 2:39 PM, Gary Edwards wrote: What may beneficial is the interior ceramic heat coating. I had it done = to the exhaust when the plane was finished in '99. Does it help with = cowl temperatures? Never flew the plane without it, so don't know. =20 For the exterior of the pipes, the coatings seem to stick better to mild = steel pipes than stainless steel material. Mine along with every other = set of aircraft stainless pipes I have seen have lost the exterior = coating, especially in the high heat merging joints. =20 I have my pipes done at the NIC (Northwest Industrial coatings) the = company that manufactures the materials for the industry. =20 Gary Edwards LNC2 =20 ----- Original Message ----- From: Joseph Neustein To: lml@lancaironline.net Sent: Tuesday, January 10, 2012 9:55 AM Subject: [LML] Ceramic exhaust coatings Any thoughts on the benefits or drawbacks to ceramic exhaust coatings http://hotshotusa.net/index.html=20 Joseph Neustein, MD ES-P N36YZ 140hrs TSIO 550E --Apple-Mail-1-37259543 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Think about this:

Ceramic = coating the insides of exhaust plumbing does protect the the metal and = does keep it cooler.  Coating the outside holds the heat in which = means the metal will run hotter.  Is that = desirable?

On a turbo, coating the inside has = resulted in flakes chipping off and damaging the turbo rotors.  Is = that desirable?

I will admit that it sure looks = nice.

Walter


<= div>
On Jan 10, 2012, at 2:39 PM, Gary Edwards = wrote:

What may beneficial is the interior = ceramic heat coating.  I had it done to the exhaust when the plane = was finished in '99.  Does it help with cowl temperatures?  = Never flew the plane without it, so don't = know.
 
For the exterior of the pipes, the = coatings seem to stick better to mild steel pipes than stainless = steel material.  Mine along with every other set of aircraft = stainless pipes I have seen have lost the exterior coating, especially = in the high heat merging joints.
 
I have my = pipes done at the NIC (Northwest Industrial coatings) the company that = manufactures the materials for the = industry.
 
Gary = Edwards
LNC2   
----- Original Message -----
 Tuesday, = January 10, 2012 9:55 AM
Subject: [LML] Ceramic exhaust = coatings

Any thoughts on the benefits or drawbacks = to ceramic exhaust coatings

http://hotshotusa.net/index.html 

Joseph Neustein, MD
ES-P N36YZ 140hrs
TSIO = 550E

= --Apple-Mail-1-37259543--