Return-Path: Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 86288 for flyrotary@lancaironline.net; Sun, 23 May 2004 20:12:27 -0400 Received: from [68.158.98.195] by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.08 201-253-122-130-108-20031117) with ESMTP id <20040524001227.JOHG1705.imf20aec.mail.bellsouth.net@[68.158.98.195]> for ; Sun, 23 May 2004 20:12:27 -0400 User-Agent: Microsoft-Entourage/10.1.4.030702.0 Date: Sun, 23 May 2004 20:12:12 -0400 Subject: Re: [FlyRotary] Re: Two problems solved, 2 more pop up... From: Bulent Aliev To: Rotary motors in aircraft Message-ID: In-Reply-To: Mime-version: 1.0 Content-type: multipart/alternative; boundary="B_3168187935_54550079" > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3168187935_54550079 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit On 5/23/04 7:54 PM, "Ed Anderson" wrote: > > >> >> ----- Original Message ----- >> >> From: Bulent Aliev >> >> To: Rotary motors in aircraft >> >> Sent: Sunday, May 23, 2004 2:41 PM >> >> Subject: [FlyRotary] Re: Two problems solved, 2 more pop up... >> >> >> On 5/23/04 11:49 AM, "Alex Madsen" wrote: >> >> >>> I would try aluminum tape for radiation shedding of the turbo after >>> shutdown. Just apply it to the cowl wherever you want some shielding. It >>> is sold in almost any hardware, and is designed for high temps. >>> >>> >> >> Aluminum tape alone will not do it. You should get Fiberfax from Spruce and >> glue the FF to the cowling than the Aluminum (or better stainless) to the >> Fiberfax. The Stainless will reflect the heat and the FF will insulate the >> skin from the heat. >> Bulent >> >> While Fiberfax sounds like an ideal material for such a problem, let me >> caution you about it. I also attempted to use Fiberfax to insulate my lower >> cowl from the header pipes. I soon removed it because it was fragile and >> tore easily, but more importantly it absorbed oil like a sponge. I could >> just see it sitting there oil soaked waiting for the right combustion event. >> >> >> >> I removed it and found that aluminum foil worked just fine and was much >> cheaper and less fire prone. As long as you are not applying the aluminum >> foil to the headers or turbo pipes them selves, it will work nicely. Now, >> if you are going to wrap it around a turbo or header then I agree it will >> not stand up to the temp/heat. >> >> >> >> But, unless you are going to forever have an oil free engine compartment I >> caution against fiberfax unless you somehow incase it so oil drippings will >> not be absorbed by it. >> >> >> >> FWIW >> >> >> >> Ed Anderson > Having self adhesive aluminum foil close to the red hot turbo it will melt the adhesive. Also if you are getting oil in this area, you are in trouble already. I agree fiberfax is brittle, but they also have other insulators that will work. Bulent --B_3168187935_54550079 Content-type: text/html; charset="US-ASCII" Content-transfer-encoding: quoted-printable Re: [FlyRotary] Re: Two problems solved, 2 more pop up... On 5/23/04 7:54 PM, &qu= ot;Ed Anderson" <eanderson@carolina.rr.com> wrote:


 

----- Original Message -----
 
From:  Bulent  Aliev <mailto:atlasyts@bellsouth.net>  
 
To: Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>  
 
Sent: Sunday, May 23, 2004 2:41 PM
 
Subject: [FlyRotary] Re: Two problems  solved, 2 more pop up...=
 

On 5/23/04  11:49 AM, "Alex Madsen" <madsena@rose-hulman.= edu>  wrote:

 
I would try aluminum tape for radiation shedding of t= he turbo  after shutdown. Just apply it to the cowl wherever you want s= ome shielding.   It is sold in almost any hardware, and is designe= d for high temps.  
 


Aluminum tape alone will  not do it. You should get Fiberfax from Spru= ce and glue the FF to the cowling  than the Aluminum (or better stainle= ss) to the Fiberfax. The Stainless will  reflect the heat and the FF wi= ll insulate the skin from the  heat.
Bulent

While Fiberfax  sounds= like an ideal material for such a problem, let me caution you about  i= t.  I also attempted to use Fiberfax to insulate my lower cowl from the=  header pipes.  I soon removed it because it was fragile and tore= easily,  but more importantly it absorbed oil like a sponge.  I c= ould just  see it sitting there oil soaked waiting for the right combus= tion event.   
 
 
I removed it and found that= aluminum foil worked just  fine and was much cheaper and less fire pro= ne.  As long as you are not  applying the aluminum foil to the hea= ders or turbo pipes them selves, it will  work nicely.  Now, if yo= u are going to wrap it around a turbo or header  then I agree it will n= ot stand up to the temp/heat.   
 
 
But, unless you are going t= o forever have an oil free  engine compartment I caution against fiberf= ax unless you somehow incase it so  oil drippings will not be absorbed = by it.
 
 
FWIW
 
 
Ed Anderson

Having self adhesive aluminum foil close to the red hot turbo it will me= lt the adhesive. Also if you are getting oil in this area, you are in troubl= e already. I agree fiberfax is brittle, but they also have other insulators = that will work.
Bulent --B_3168187935_54550079--