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  #1  
Old 02-16-2017, 05:57 AM
Renzo Corvetta Renzo Corvetta is offline
 
Join Date: Jun 2014
Location: Italy
Posts: 18
Default Firewall temperature (engine side)

Hello everybody!

Has someone of you some hard facts (measurements) of the max firewall temperature (engine side) of a RV-14(A) with an IO-390 during normal operations?

Thanks a lot!

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  #2  
Old 02-16-2017, 08:28 AM
crabandy crabandy is offline
 
Join Date: Jan 2010
Location: Ottawa, Ks
Posts: 2,188
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In my O-360 RV7 during 90*+ F outside air temperatures I see 165-175F on lower cowl temps in flight and around 215*F 10 minutes after a hot shutdown on the ground.
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  #3  
Old 02-16-2017, 11:28 AM
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DanH DanH is offline
 
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Location: 08A
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Can't speak for a 14, but I've measured exit temperatures in excess of 200F with my RV-8.

I've gone to a lot of trouble to ensure no air passes through the engine compartment without coming into contact with hot engine parts. The result is higher exit temperature; there is no dilution with cool air that leaked by the engine sealing.
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  #4  
Old 02-16-2017, 01:04 PM
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snopercod snopercod is offline
 
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Location: Asheville, NC
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Default meat thermometer

Not a -14, but I inserted a digital meat thermometer probe through the bottom of the firewall on my LNC2. The digital readout is where I can see it. It typically shows 140F in flight and has gone as high as 200 on a hot day after I land and am slow taxiing.
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  #5  
Old 02-16-2017, 08:55 PM
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JohnInReno JohnInReno is offline
 
Join Date: Jun 2005
Location: Prescott Valley/Chandler AZ
Posts: 351
Default RV9A

Not a 14, but I have temp strips on the EarthX battery and the Pmags. Battery on the firewall sees 150 f and the Pmags on the back of the accessory case see 190 f.

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