Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2b3) with ESMTP id 86273 for flyrotary@lancaironline.net; Sun, 23 May 2004 19:55:24 -0400 Received: from EDWARD (clt25-78-058.carolina.rr.com [24.25.78.58]) by ms-smtp-04-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i4NNsqVw024490 for ; Sun, 23 May 2004 19:54:53 -0400 (EDT) Message-ID: <001801c44121$5af442a0$2402a8c0@EDWARD> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Two problems solved, 2 more pop up... Date: Sun, 23 May 2004 19:54:58 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01C440FF.D39B1250" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0015_01C440FF.D39B1250 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Two problems solved, 2 more pop up... ----- Original Message -----=20 From: Bulent Aliev=20 To: Rotary motors in aircraft=20 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.=20 =20 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. =20 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. =20 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 ------=_NextPart_000_0015_01C440FF.D39B1250 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Two problems solved, 2 more pop = up...
 
 
----- Original Message -----
From:=20 Bulent=20 Aliev
Sent: Sunday, May 23, 2004 2:41 = PM
Subject: [FlyRotary] Re: Two = problems=20 solved, 2 more pop up...

On = 5/23/04=20 11:49 AM, "Alex Madsen" <madsena@rose-hulman.edu>=20 wrote:
I would try aluminum tape for radiation shedding of the = turbo=20 after shutdown. Just apply it to the cowl wherever you want some = shielding.=20  It is sold in almost any hardware, and is designed for high = temps.=20
 

Aluminum = tape alone will=20 not do it. You should get Fiberfax from Spruce and glue the FF to the = cowling=20 than the Aluminum (or better stainless) to the Fiberfax. The Stainless = will=20 reflect the heat and the FF will insulate the skin from the=20 heat.
Bulent

While Fiberfax=20 sounds like an ideal material for such a problem, let me caution you = about=20 it.  I also attempted to use Fiberfax to insulate my lower cowl = from the=20 header pipes.  I soon removed it because it was fragile and tore = easily,=20 but more importantly it absorbed oil like a sponge.  I could = just=20 see it sitting there oil soaked waiting for the right combustion = event. =20
 
I removed it and found that aluminum foil = worked just=20 fine and was much cheaper and less fire prone.  As long as you = are not=20 applying the aluminum foil to the headers or turbo pipes them selves, = it will=20 work nicely.  Now, if you are going to wrap it around a turbo or = header=20 then I agree it will not stand up to the temp/heat. =20
 
But, unless you are going to forever have an = oil free=20 engine compartment I caution against fiberfax unless you somehow = incase it so=20 oil drippings will not be absorbed by it.
 
FWIW
 
Ed=20 Anderson
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