X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 05 Jul 2006 00:30:12 -0400 Message-ID: X-Original-Return-Path: Received: from ispmxmta06-srv.alltel.net ([166.102.165.167] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1223510 for lml@lancaironline.net; Tue, 04 Jul 2006 12:38:02 -0400 Received-SPF: none receiver=logan.com; client-ip=166.102.165.167; envelope-from=airmale@alltel.net Received: from ispmxaamta04-gx.alltel.net ([69.40.214.210]) by ispmxmta06-srv.alltel.net with ESMTP id <20060704163714.YAIT7967.ispmxmta06-srv.alltel.net@ispmxaamta04-gx.alltel.net> for ; Tue, 4 Jul 2006 11:37:14 -0500 Received: from [127.0.0.1] (really [69.40.214.210]) by ispmxaamta04-gx.alltel.net with ESMTP id <20060704163714.YSJU21950.ispmxaamta04-gx.alltel.net@[127.0.0.1]> for ; Tue, 4 Jul 2006 11:37:14 -0500 X-Original-Message-ID: <44AA98C2.60702@alltel.net> X-Original-Date: Tue, 04 Jul 2006 12:35:14 -0400 From: J H Webb User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax) X-Accept-Language: en-us, en MIME-Version: 1.0 X-Original-To: Lancair Mailing List Subject: Re: [LML] Ceramic Exhaust References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------060809060102000101040806" This is a multi-part message in MIME format. --------------060809060102000101040806 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Bill and others, I spent quite a bit of money having the cylinders, exhaust valves, exhaust pipes, and pistons ceramic coated on my LNC2 L360. I wanted to have an indication of the benefit before taking apart my LIV engine to do the ceramic treatments. Now unfortunately, it is not completely a fair or scientific test as before the change, I had the exhaust pipes rapped in fiberglass, removed the fiberglass and applied the ceramics. But the cylinder head temps went up over 30 deg F and there was no noticeable improvements for the money spent under the same operating conditions. I speculate that the increase in cylinder head temperature is due to radiant heating from the hot but ceramic coated exhaust pipes. At this point I would not recommend spending the money to apply ceramic coatings to the TSIO 550 or the IO 360. I intend to reapply the fiberglass soon on top of the ceramic pipes and check for the changes. The big disadvantage of the fiberglass is that the engine operation causes the fiberglass to break off and you have little pieces of fiberglass all over the inside of the cowl and it sticks to any little oily spots. For your information, Swain Techniques (585) 889-2786 was used for the cylinders heads, valves, and pistons. JetHot (800) 432-3379 x112 was used to apply ceramics both inside and outside of the exhaust pipes. These companies were highly recommended by a national champion race car owner and mechanic. He felt that it did some good in his Championship drag racer. Jack Webb L360, LIV AeroSpace Engineer BSAE FAA Designated Check airman for C421, C404 & C310 ATP, CFI Airplanes & Instruments, Multi, & Sea Numerous Jet Type Ratings Experienced Experimental Test Pilot both multi and single engine aircraft Former Chief Engineering Test Pilot for a Major Manufacturer Chairman Turning Point of Paulding County Ohio billhogarty wrote: > Thinking of having the exhaust stacks externally ceramic coated on a > LNC4. Does anyone have any opinions? > > Can anyone recommend a shop to do the work? Reasonable prices would > be nice!!! > > Thanks, Bill Hogarty (LNC4 paint at 82%; never again) > --------------060809060102000101040806 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Bill and others,

    I spent quite a bit of money having the cylinders, exhaust valves, exhaust pipes, and pistons ceramic coated on my LNC2 L360. I wanted to have an indication of the benefit before taking apart my LIV engine to do the ceramic treatments. Now unfortunately, it is not completely a fair or scientific test as before the change, I had the exhaust pipes rapped in fiberglass, removed the fiberglass and applied the ceramics.  But the cylinder head temps went up over 30 deg F and there was no noticeable improvements for the money spent under the same operating conditions. I speculate that the increase in cylinder head temperature is due to radiant heating from the hot but ceramic coated exhaust pipes. At this point I would not recommend spending the money to apply ceramic coatings to the TSIO 550 or the IO 360. I intend to reapply the fiberglass soon on top of the ceramic pipes and check for the changes.  The big disadvantage of the fiberglass is that the engine operation causes the fiberglass to break off and you have little pieces of fiberglass all over the inside of the cowl and it sticks to any little oily spots.
    For your information, Swain Techniques (585) 889-2786 was used for the cylinders heads, valves, and pistons. JetHot (800) 432-3379 x112 was used to apply ceramics both inside and outside of the exhaust pipes.  These companies were highly recommended by a national champion race car owner and mechanic.  He felt that it did some good in his Championship drag racer.

Jack Webb
L360, LIV

AeroSpace Engineer BSAE
FAA Designated Check airman for C421, C404 & C310
ATP, CFI Airplanes & Instruments, Multi, & Sea
Numerous Jet Type Ratings
Experienced Experimental Test Pilot both multi and single engine aircraft
Former Chief Engineering Test Pilot for a Major Manufacturer
Chairman Turning Point of Paulding County

Ohio

billhogarty wrote:
Thinking of having the exhaust stacks externally ceramic coated on a LNC4.  Does anyone have any opinions?

Can anyone recommend a shop to do the work?  Reasonable prices would be nice!!!

Thanks,  Bill Hogarty (LNC4 paint at 82%;  never again)

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