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cowl heat shield photos?

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hotwheels

Joined: 01 Jun 2007
Posts: 240

Posted: Wed Apr 22, 2009 12:08 pm Post subject: cowl heat shield photos?

Does anyone have photos of their cowl heat shield install? 



I'm planning to cover the entire inside cowl area with high temp sealant... Then apply heat shield material only on the bottom cowl.



Thanks,

Jay



do not archive

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Tim Olson

Joined: 25 Jan 2007
Posts: 2882

Posted: Wed Apr 22, 2009 12:50 pm Post subject: cowl heat shield photos?

You're going to apply WHAT to the entire inside cowl area??

Sealant??  I'm not following what this would be to accomplish,

other than add weight.  It would be lighter to apply just

heat shield.  The only people who have had issues that

I know of didn't have any heat shield in the required areas.



Or by sealant do you just mean some sort of light epoxy to

seal the holes?



Tim Olson - RV-10 N104CD - Flying

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jayb wrote:

 	  Quote: 	
		   

 

 Does anyone have photos of their cowl heat shield install?

 

 I'm planning to cover the entire inside cowl area with high temp

 sealant... Then apply heat shield material only on the bottom cowl.

 

 Thanks, Jay

 

 do not archive

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p 40786#240786

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hotwheels

Joined: 01 Jun 2007
Posts: 240

Posted: Wed Apr 22, 2009 1:45 pm Post subject: Re: cowl heat shield photos?

Planning to use epoxy based high-temp primer on the inside of the cowl as has been discussed in this forum recently.



Jay

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Tim Olson

Joined: 25 Jan 2007
Posts: 2882

Posted: Wed Apr 22, 2009 4:22 pm Post subject: cowl heat shield photos?

Ahhh, sorry.  I saw SEALANT and thought RTV.  I see you mean

epoxy based sealER...that makes perfect sense.  My bad.



Tim Olson - RV-10 N104CD - Flying

do not archive

jayb wrote:

 	  Quote: 	
		   

 

 Planning to use epoxy based high-temp primer on the inside of the

 cowl as has been discussed in this forum recently.

 

 Jay

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p 40798#240798

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nukeflyboy

Joined: 05 Jan 2008
Posts: 162
Location: Granbury, TX

Posted: Thu Apr 23, 2009 10:09 am Post subject: Re: cowl heat shield photos?

Tim tripped over the same verbiage I did.  But let's not leave it at that.  What do you mean by "heat shield"?  If you are referring to the adhesive backed reflective material (like aluminum tape) that Van's sells then OK.  If you mean something else, then what is it?

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_________________
Dave Moore
RV-6 built and sold
RV-10 built and flying

n223rv(at)wolflakeairport
Guest

Posted: Thu Apr 23, 2009 10:53 am Post subject: cowl heat shield photos?

FWIW, I used the sticky backed heat shield from Van's in my RV-4  

cowl.  After several hours of use, the heat melted the adhesive and  

most of it came loose.  I purchased more and the second time I  

squeegied a thin layer of high temp silicone over the sticky backed  

adhesive, layed it in place and used a plastic squeegie to smooth it  

out.  It hasn't moved in 300 hours......  I'm going to do the same on  

the -10.



Sent from my iPhone



On Apr 23, 2009, at 2:09 PM, "nukeflyboy" <flymoore(at)charter.net> wrote:



 	  Quote: 	
		   



 Tim tripped over the same verbiage I did.  But let's not leave it at  

 that.  What do you mean by "heat shield"?  If you are referring to  

 the adhesive backed reflective material (like aluminum tape) that  

 Van's sells then OK.  If you mean something else, then what is it?



 --------

 Dave Moore

 RV-6 flying

 RV-10 QB - cabin top/fiberglass hell





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 40931#240931

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hotwheels

Joined: 01 Jun 2007
Posts: 240

Posted: Fri Apr 24, 2009 6:34 am Post subject: Re: cowl heat shield photos?

1) Apply thin coat of Acetone thinned epoxy

2) Cover with 1200 degree outdoor grill paint (Home Depot) 

3) Apply Van's self-stick aluminum foil with edges RTV'ed for areas next to exhaust



 	  nukeflyboy wrote: 	
		  Tim tripped over the same verbiage I did.  But let's not leave it at that.  What do you mean by "heat shield"?  If you are referring to the adhesive backed reflective material (like aluminum tape) that Van's sells then OK.  If you mean something else, then what is it?

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nukeflyboy

Joined: 05 Jan 2008
Posts: 162
Location: Granbury, TX

Posted: Fri Apr 24, 2009 11:23 am Post subject: Re: cowl heat shield photos?

Looks like a good plan.  I have used Van's reflective heat shield on my RV-6 and it works well.  It is only needed where the cowl is in close proximity to the exhaust pipes (say 3-4 inches).

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_________________
Dave Moore
RV-6 built and sold
RV-10 built and flying

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