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FireWall Engine Side Paint?

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conradb

Joined: 02 Jun 2008
Posts: 11
Location: warner robins, georgia

Posted: Thu Sep 24, 2009 4:10 am Post subject: FireWall Engine Side Paint?

F.Y.I.  => I am wondering if the engine side of the Firewall will get hot.  I noticed that nobody paints the engine side of the Firewall except me.  (I did not like  bare stainless steel)  My question is I applied a shinny epoxy that has a 200 degree F. upper heat temp.  I am thinking unless I want to smell “cooked” or "burnt" paint I need to remove this low temp. paint and replace with a 1200 degree F. or greater barbeque or engine block type paint.  Am I on the right track removing the paint or am I O.K. with the 200 degree paint.

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Conrad Booze
P. O. Box 7028
Warner Robins, GA. 31095
(478)-335-4264
conradbooze@cox.net

nukeflyboy

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

Posted: Sat Sep 26, 2009 6:49 pm Post subject: Re: FireWall Engine Side Paint?

Since you haven't gotten a reply I'll add my $0.02 worth.  First the fact that no one paints the firewall should tell you something.  But if you have to do it I would use hi temp paint.  I don't know how hot it gets but the exhaust from the oil cooler is at least that hot at times and I think the firewall gets hotter as it sits following engine shutdown.  The heater box may cook too.  Pick a color that goes well with oil and dirt since that is what will accumulate there.

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

conradb

Joined: 02 Jun 2008
Posts: 11
Location: warner robins, georgia

Posted: Sat Sep 26, 2009 7:25 pm Post subject: Re: FireWall Engine Side Paint?

Another person mentioned that the firewall  could become in excess of 200 degree during shutdown/cooling off  period. He also mentioned that using a foil/heat blanket barrier from Spruce Aircraft Supply on the engine side of the firewall.  So what I think I'll do is remove the existing low temp paint, repaint with high temp paint and use a barrier material on BOTH sides of the firewall to keep the sound and temps low and the avionics cooler.

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_________________
Conrad Booze
P. O. Box 7028
Warner Robins, GA. 31095
(478)-335-4264
conradbooze@cox.net

nukeflyboy

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

Posted: Sun Sep 27, 2009 6:27 pm Post subject: Re: FireWall Engine Side Paint?

The beauty of stainless steel is that is, well, stainless - and easy to clean.  A well painted surface is too.  But you should reconsider a blanket on the firewall side.  I am serious about oil and dirt accumulation and it may not look good after a while as well be a pain in the behind to install and clean.



I think that I just read that the allowable oil consumption for an IO-540 is 0.87 quarts per hour.  Lycoming doesn't care if it is internal or external loss and they do both.

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

jcumins(at)jcis.net
Guest

Posted: Mon Sep 28, 2009 12:00 pm Post subject: FireWall Engine Side Paint?

I would not recommend you use any firewall material on the engine

compartment firewall side.  It will not work and will not last and will

suckup any and all fluids in the compnartment and become a fire hazard.



Using it on the cabin side is where most people and manufactures place this.



John G. Cumins

AP 



40864 Trim Tabs 98% done

 

Your Total Technology Solution Provider



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