PPRuNe Forums - View Single Post - EGT OVERLIMIT at T/O: continue flight?
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Old 23rd Jan 2011, 18:31
  #35 (permalink)  
lomapaseo
 
Join Date: Mar 2002
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Hazelnuts

lomapaseo;
Quote:
excessive TIT is not only a symptom but a probable cause of power loss.
Why would thrust be affected if that is what you set (by setting an EPR or N1) to see an EGT exceedance?

regards,
HN39
Your point is valid. Thrust would not be affected until the engine finally ran down due to loss of pumping of the High compressor.

What would probably happen is that high turbine efficiency would go to hell and the TIT keep going up trying to maintain thrust. To me that is a cascading failure mode.. I view that as a lot more serious than just an EGT rise without other symptoms.
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