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Heat sheild for cowl

 
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planesmith(at)hotmail.com
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PostPosted: Tue Feb 24, 2009 9:24 am    Post subject: Heat sheild for cowl Reply with quote
 
I remember a discussion about putting heat reflective material on the inside of the cowl to protect it from heat. What material have people used and what areas need covering?
Thanks C
 
Vern Smith (#324 finishing; firewall forward) 
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Tim Olson



Joined: 25 Jan 2007
Posts: 2879
PostPosted: Tue Feb 24, 2009 9:52 am    Post subject: Heat sheild for cowl Reply with quote
Van's sells a self-stick aluminum foil that is perfect for the job.
you probably want to smooth out with epoxy the inside of the cowl
so it sticks well.

I think you can mainly just worry about covering the areas where
the exhaust is close, but to be safe, I did most of my lower
cowl. It is kind of nice in that oil and junk wipe up off
of it real well, and you don't get stuff eating at the
cowling. Plus I didn't have to figure out where the hot spots
were.

Tim Olson - RV-10 N104CD - Flying
do not archive
Vernon Smith wrote:
Quote:

I remember a discussion about putting heat reflective material on the
inside of the cowl to protect it from heat. What material have people
used and what areas need covering?
Thanks,

Vern Smith (#324 finishing; firewall forward)

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up today.
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rv6(at)att.net
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PostPosted: Tue Feb 24, 2009 10:22 am    Post subject: Heat sheild for cowl Reply with quote
I painted the inside of the top and bottom cowl with white 2000 degree
outdoor grill paint(Lowe's or Home Depot) and put the foil from Van's on
about 2/3 rd's of the bottom cowl on my RV6. Protects and cleans up very
well.

Jerry Calvert
Edmond Ok
RV6 N296JC

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jesse(at)saintaviation.co
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PostPosted: Tue Feb 24, 2009 12:02 pm    Post subject: Heat sheild for cowl Reply with quote
I used this self-stick stuff from Van's and then put a bead of RTV
around the edge of it to help hold the edges down. If you get a tear
in it, you can use RTV there as well to keep it from tearing more. It
really only needs to be where the heat from the exhaust will be close
to the cowl, but as Tim said, putting extra of it down on the bottom
helps avoid getting oil in the pores of the fiberglass.

do not archive

Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694

Quote:
Vernon Smith wrote:
> I remember a discussion about putting heat reflective material on
> the inside of the cowl to protect it from heat. What material have
> people used and what areas need covering?
> Thanks,
> Vern Smith (#324 finishing; firewall forward)
> ------------------------------------------------------------------------
> Access your email online and on the go with Windows Live Hotmail.
> Sign up today. <http://windowslive.com/online/hotmail?ocid=TXT_TAGLM_WL_HM_AE_Access_022009
> >




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chuck(at)chuckdirect.com
Guest
PostPosted: Tue Feb 24, 2009 4:39 pm    Post subject: Heat sheild for cowl Reply with quote
I "painted" the insides of my cowl, both the RV9A and the RV10 with epoxy
resin. Smooth as glass and easy as pie. I experimented with a heat shield
in the nine by taking a scrap piece of aluminum sheet (12"x8"), putting down
five, quarter sized dabs of High Temp RTV and gently laid the alcohol
cleaned aluminum sheet down on the dabs of RTV ending up with a gap of about
1/4 inch. Allow to cure. It really worked great.
Chuck

--------------------------------------------------
From: "Jesse Saint" <jesse(at)saintaviation.com>
Sent: Tuesday, February 24, 2009 11:56 AM
To: <rv10-list(at)matronics.com>
Subject: Re: Heat sheild for cowl

Quote:


I used this self-stick stuff from Van's and then put a bead of RTV around
the edge of it to help hold the edges down. If you get a tear in it, you
can use RTV there as well to keep it from tearing more. It really only
needs to be where the heat from the exhaust will be close to the cowl,
but as Tim said, putting extra of it down on the bottom helps avoid
getting oil in the pores of the fiberglass.

do not archive

Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
Cell: 352-427-0285
Fax: 815-377-3694

> Vernon Smith wrote:
>> I remember a discussion about putting heat reflective material on the
>> inside of the cowl to protect it from heat. What material have people
>> used and what areas need covering?
>> Thanks,
>> Vern Smith (#324 finishing; firewall
>> orward) ------------------------------------------------------------------------
>> Access your email online and on the go with Windows Live Hotmail. Sign
>> up today.
>> <http://windowslive.com/online/hotmail?ocid=TXT_TAGLM_WL_HM_AE_Access_022009
>> >
>
>





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