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Old 6th May 2001 | 17:56
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N2
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Unhappy Max Continuous EGT

As a follow on to the "Max EGT determination" thread...

With respect to EGT, most engines have a start EGT limit, max continuous and max EGT limit. For example the Trent 700 (A330) has a start EGT limit of 700 deg C, max continuous limit of 850 deg C and a max EGT limit of 900 deg C for five minutes or ten minutes with one engine inop (brief excursions up to 920 deg C allowed for no greater than 20 secs).

Question:

Given these limitations on the T700, if power level requirements place EGT between max continuous and max EGT, lets say at 875 deg C. Am I now limited to five minutes at this power setting (considering both engines operative)?

N2