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VHMUM(at)bigpond.com
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 Posted: Thu Aug 02, 2007 8:12 pm Post subject: tunnel temps |
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Guys that are flying I installed a Kool mat on the firewall due do complaints of tunnel heat. This has all seem to die down. I am about to install engine and was thinking of taking the mat off as of the weight and as there may not be a tunnel problem with 90 RV10 s flying
Any thoughts
Chris Down under
[quote][b]
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tintopranch
Joined: 29 Jun 2007
Posts: 12
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| Posted: Fri Aug 03, 2007 7:42 am Post subject: Re: tunnel temps |
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I am flying with the koolmat installed and have not had any problems with the tunnel temp. My wieght and CG are right inline with Van's. I would keep it. I have been pleased the noise and heat reduction.
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MARK SUTHERLAND
RV-10 40292
Flying since June 07 |
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Tim Olson
Joined: 25 Jan 2007
Posts: 2879
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| Posted: Fri Aug 03, 2007 8:04 am Post subject: tunnel temps |
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You could get rid of it and try it, but, I think you're going to want
something on the firewall anyway, be it Kool Mat or other, so I'd
say just leave it and see what you think after you fly. it's nice just
to prevent some sound resonance.
Tim Olson - RV-10 N104CD - Flying
do not archive
The McGough Family wrote:
| Quote: | Guys that are flying I installed a Kool mat on the firewall due do
complaints of tunnel heat. This has all seem to die down. I am about to
install engine and was thinking of taking the mat off as of the weight
and as there may not be a tunnel problem with 90 RV10 s flying
Any thoughts
Chris Down under
*
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Mike Whisky
Joined: 05 Jun 2006
Posts: 336
Location: Switzerland
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| Posted: Fri Aug 03, 2007 1:47 pm Post subject: Re: tunnel temps |
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Can anyone please tell me the exact name of that Kool mat and where to order? Has Spruce this? I believe you mount this on the cabin side of the FW.
Michael
www.wellenzohn.net
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RV-10 builder (flying)
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VHMUM(at)bigpond.com
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| Posted: Fri Aug 03, 2007 3:54 pm Post subject: tunnel temps |
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Its called Kool mat and spruce sell it
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dmasys(at)cox.net
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| Posted: Fri Aug 03, 2007 3:55 pm Post subject: tunnel temps |
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As one of the newest RV-10's in the sky I would add the observation that although I did put the insulation that Flightline sells on the cabin side of the firewall in front of pilot and copilot positions, I did not put any insulation in the tunnel, (including no insulation on the piece of the firewall that is inside the tunnel). I also fabricated the little air dam that goes between the air valves, and put some baffle material between the air valve seats and the firewall.
With this, and the latest version of the exhaust system design that comes with Vans FWF kit (two pipes, longer length than earlier exhaust designs), there is virtually no tunnel heat problem in my RV-10. In fact, cruising along at 9.5K on the way back from OSH, the tunnel was quite chilly with the outside air temp at about 55F. (But lots of heat was available on demand from both front and rear vents).
So it may be that with evolutionary changes to the kit, particularly the FWF exhaust system, the tunnel heat problem is history. (My kit was 40448 and I got the FWF kit about December of last year).
-Dan Masys
N104LD flying 33 hrs.
---- Tim Olson <Tim(at)MyRV10.com> wrote:
| Quote: |
You could get rid of it and try it, but, I think you're going to want
something on the firewall anyway, be it Kool Mat or other, so I'd
say just leave it and see what you think after you fly. it's nice just
to prevent some sound resonance.
Tim Olson - RV-10 N104CD - Flying
do not archive
The McGough Family wrote:
> Guys that are flying I installed a Kool mat on the firewall due do
> complaints of tunnel heat. This has all seem to die down. I am about to
> install engine and was thinking of taking the mat off as of the weight
> and as there may not be a tunnel problem with 90 RV10 s flying
>
> Any thoughts
>
> Chris Down under
>
> *
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ricksked(at)embarqmail.co
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| Posted: Fri Aug 03, 2007 4:47 pm Post subject: tunnel temps |
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Michael,
Actually it mounts on the firewall side, it's widely used on race car firewalls. I think it looks good, although cutting out all the little holes was fun. It is a fiberglass woven cloth with a silicone covering. Heres the direct link.
http://www.aircraftspruce.com/catalog/appages/koolmat.php
Rick S.
40185
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wayne.e(at)grandecom.net
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| Posted: Sat Aug 04, 2007 3:03 am Post subject: tunnel temps |
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I bought my insulating material from Buckley Industries who are in Wichita, KS. They have a fire resistant material for the firewall and then a sound proofing material for the other areas. It was very easy to install. Just peal off the paper from the back and press on. There phone number is 316-744-7587.
Firewall insulation part # 139675 which is a 27X48 sheet of material and costs around $83
Sidewall insulation material part # 139679 also a 27X48 sheet and costs around $74
I'm flying now and the noise level is very good. I didn't insulate the tunnel but have carpet running up the side of it and the top of the tunnel is covered with leather and I am not experiencing any tunnel heat issue. I was flying yesterday with outside temperatures on the ground over 90 and when I was in the air I felt all around the tunnel and I couldn't find any hot spots.
Wayne Edgerton N602WT flying
[quote][b]
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zackrv8
Joined: 14 Jan 2006
Posts: 133
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