PPRuNe Forums - View Single Post - Cold and low operation with N1 and ITT gauges only
Old 8th Oct 2020, 17:00
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Originally Posted by FlyingStone
100% (or whatever the limit is), is rotational limit of the low-speed shaft, it's not a thrust limit. You can only see the latter by inputting the correct temperature into the FMC, which I assume (not familliar with type) calculates the thrust limit on the CRJ.
His question is whether there's an indication that he's put in the wrong temperature, causing the resulting N1 to exceed the thrust limit.

And the answer is no.

But also, the error is opposite of what OP wrote. Inputting a higher temp results in a lower, not higher, N1.
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