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09-04-2014, 08:51 PM
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Join Date: Apr 2007
Location: -
Posts: 501
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Cork firewall insulation
(old message removed)
Last edited by digidocs : 12-30-2019 at 10:40 PM.
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09-05-2014, 03:44 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Interesting choice.
Test it before installation. If you get the kind that is made of glued together bits, the glue may not be fireproof.
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Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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09-05-2014, 04:47 AM
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Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 992
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Why firewall side
Educate me David. The properties are encouraging, good discovery! I thought the SS firewall was the flame barrier. Therefore insulation could go on the cockpit side with less concern for oil contamination and physical abuse ?
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Larry DeCamp
RV-3B flying w/7:1 0320 / carb / Pmags / Catto 3b / digital steam
RV-4 fastback w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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09-05-2014, 06:11 AM
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Join Date: Jun 2006
Location: Delaware, OH (KDLZ)
Posts: 4,194
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Quote:
Originally Posted by Larry DeCamp
Educate me David. The properties are encouraging, good discovery! I thought the SS firewall was the flame barrier. Therefore insulation could go on the cockpit side with less concern for oil contamination and physical abuse ?
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Please search for Dan Horton's (DANH) thread. Many of the insulators will ignite or generate caustic fumes once the firewall reaches certain temps. Dan has done a pretty comprehensive test of the popular products. |
09-05-2014, 03:27 PM
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Join Date: Aug 2008
Location: Lawton, OK
Posts: 265
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Check out DanH
Another suggestion that you check out Dan Horton's extensive work on heat and insulation materials.
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09-05-2014, 08:29 PM
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Join Date: Feb 2005
Posts: 592
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I think I have read that balsa wood has much the same properties as cork regarding fire resistance.
Does anyone know this to be the case?
Glenn Wilkinson
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_____________________________________________
RV-4 Sold
N654RV @ MLJ
RV-7 Coming Soon
N987RV Reserved
2015 Donation Gladly Paid
"Maintain Thy Airspeed, Lest the Earth Arise and Smite Thee"
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09-05-2014, 09:10 PM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,787
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pleased with ceramic bat
so far I am pleased with 1 inch ceramic bat (no binder, McMaster) wrapped in heavy alum foil. 175 hrs. on Hobbs. Dan mentioned the need to completely encapsulate it because ceramic fiber is a carcinogen.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
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09-06-2014, 04:32 AM
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Join Date: Oct 2005
Location: 08A
Posts: 9,476
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Dan is also convinced that putting insulation on the inside of a firewall is like wearing underpants on the outside of your jeans 
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Dan Horton
RV-8 SS
Barrett IO-390
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09-06-2014, 04:15 PM
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Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,787
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agree
agree, insulation on the fwd side of the firewall would be the most effective method.
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Steve Melton
Cincinnati, OH
RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 800+ for all
Simplicity is the art in design.
My Artwork is freely given and published and cannot be patented.
www.rvplasticparts.com
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09-07-2014, 01:50 AM
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Join Date: Oct 2005
Location: 08A
Posts: 9,476
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Quote:
Originally Posted by Steve Melton
agree, insulation on the fwd side of the firewall would be the most effective method.
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I'm having a little fun with you Steve, just to make a point. At least you're using materials that won't get you killed.
I cannot grasp what folks are thinking sometimes. Tonight I walked into a hangar to say hello, and found that the young man had covered the cabin side of his firewall with aluminized mylar plastic bubble wrap.
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Dan Horton
RV-8 SS
Barrett IO-390
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