X-Virus-Scanned: clean according to Sophos on Logan.com X-PolluStop-Diagnostic: (direct reply)\eX-PolluStop-Score: 0.00\eX-PolluStop: Scanned with Niversoft PolluStop 2.1 RC1, http://www.niversoft.com/pollustop Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.3c4) with ESMTP id 860138 for flyrotary@lancaironline.net; Thu, 07 Apr 2005 02:00:12 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20050407055926.WMHU2063.imf21aec.mail.bellsouth.net@rd> for ; Thu, 7 Apr 2005 01:59:26 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Heat Shielding Materials Date: Thu, 7 Apr 2005 00:58:32 -0500 Message-ID: <002301c53b36$d46d8ff0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0024_01C53B0C.EB9787F0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0024_01C53B0C.EB9787F0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I found some stuff in an auto speed shop that has AL bonded to some sort of fiber insulation with tar looking adhesive (protected by peel-off wax paper) in big sheets that I just cut to size, peel and press onto the cowl. Works great. I was baking the paint off the cowl around the exhaust, but no more. =20 Someone with an RV-7 had a self adhesive, reflective type sheet stuck on = the inside of his cowl. I didn't look too closely at it, but he said he got = it from Van's. I used the .002 321 SS foil that McMaster Carr sells on = the last version of the lower cowl, and it worked fine, except where the = exhaust pipe is within about a half inch of the fiberglass. On that spot, it = burned the cowl through the foil. I ended up using a thicker (about .018 304 = SS sheet over that small area, but rather than gluing it to the cowl, I = used pop rivets, with a washer between the sheet and the cowl at each rivet. That gave it an air gap underneath, so the heat didn't get transferred = to the cowl. Worked great. =20 =20 This time, I just skipped the SS foil, and used a larger piece of the = .018 SS sheet, and spaced it 1/8" from the cowl. I'm confident this will = work well, if I ever get to try it. =20 =20 I've spent the last several hours with a wet vac trying to keep the = water out of our house. The garage had a couple inches when we noticed it, = and the water was just coming in under the front door of the house. Living = room carpet and baseboards are wet, also one bath room and two closets. = There was a foot of water in my front yard! I've been in this house for 13 = years, and never has the water come up like this before last week. The garage = has been flooded now twice in two weeks. Sure hope my TIG welder survived. = =20 Rusty (redefining the 30 year flood plane, minus the flood insurance) =20 ------=_NextPart_000_0024_01C53B0C.EB9787F0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

I found some stuff in an auto speed shop that has AL = bonded to=20 some sort
of fiber insulation with tar looking adhesive (protected by = peel-off wax
paper) in big sheets that I just cut to size, peel and = press=20 onto the
cowl.  Works great.  I was baking the paint off = the cowl=20 around the
exhaust, but no more.

 
Someone = with an RV-7 had=20 a self adhesive, reflective type sheet stuck on the inside of his = cowl.  I=20 didn't look too closely at it, but he said he got it from = Van's.   I=20 used the .002 321 SS foil that McMaster Carr sells on the last version = of the=20 lower cowl, and it worked fine, except where the exhaust pipe is within = about a=20 half inch of the fiberglass.  On that spot, it burned the cowl = through the=20 foil.  I ended up using a thicker (about .018 304 SS sheet over = that small=20 area, but rather than gluing it to the cowl, I used pop rivets, with a = washer=20 between the sheet and the cowl at each rivet.  That gave it an air = gap=20 underneath, so the heat didn't get transferred to the cowl.  Worked = great. 
 
This = time, I just=20 skipped the SS foil, and used a larger piece of the .018 SS sheet, and = spaced it=20 1/8" from the cowl.  I'm confident this will work well, if I ever = get to=20 try it. 
 
I've = spent the last=20 several hours with a wet vac trying to keep the water out of our=20 house.  The garage had a couple inches when we noticed = it, and=20 the water was just coming in under the front door of the house.  = Living=20 room carpet and baseboards are wet, also one bath room and two = closets. =20 There was a foot of water in my front yard!  I've been in this = house for 13=20 years, and never has the water come up like this before last week.  = The=20 garage has been flooded now twice in two weeks.  Sure hope my TIG = welder=20 survived.  
 
Rusty = (redefining the 30=20 year flood plane, minus the flood insurance)  



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