This is the place where the majority of the warbird (aircraft that have survived military service) discussions will take place. Specialized forums may be added in the new future
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FHC P-47 exhaust burn

Tue Apr 26, 2011 8:54 pm

Photo from FHC facebook account: Notice the exhaust burn. ouch! Haven't really seen that before. Looks troubling :(

Image

Re: FHC P-47 exhaust burn

Tue Apr 26, 2011 9:55 pm

Using the EUC environmentally friendly paints?
I wonder if the waste gate butterfly is adjusted correctly?

Re: FHC P-47 exhaust burn

Tue Apr 26, 2011 10:40 pm

Vlado will be happy that the doors aren't green :wink:

Lynn

Re: FHC P-47 exhaust burn

Wed Apr 27, 2011 1:31 am

I believe it has something to do with propwash. Hopefully someone else with a better explaination will chime in.

Re: FHC P-47 exhaust burn

Wed Apr 27, 2011 7:36 am

I'd think that they might be runing much lower manifold pressure these days and thus, much more exhaust flow out the waste gate. If running richer as well, would that not make for a hotter exhaust stream?

Re: FHC P-47 exhaust burn

Wed Apr 27, 2011 9:11 am

After finishing the restoration and before flight testing the airplane was chained down for a full power run-up. With the prop wash and the heat from the open wastegate and the fact it was painted with zinc primer that door gets hot and the paint burns. It's normal. Take a look at other P-47's and you will see the same thing to varying degrees depending on the paint.
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