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Thread: CRJ-700/900 Tailcone
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Old 2nd October 2007 | 14:50
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sinkingship
 
Joined: Jun 2005
Posts: 147
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From: 20000 leagues under the sea
As stated it to do with the APU outlet exhaust, which is of a higher temp than the fuselage skin. Its to do with material spec, I'm sure if you look at other aircraft types the APU outlets are also unpainted, its just the CRJ stands out more.
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