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Originally Posted by smig  But being a free power turbine, the engine temps don't really change with with prop in feather. The NH and ITT are about the same. That is the point that has me confused about this temp stabilization thing. |
You said the answer - Stabilization. I understand it to be primarily for cooling of bearings etc (not temps that you find on a gauge). You are not producing thrust which I suppose is good if you are parked at a gate. Realistically at idle with props unfeathered, it really doesn't matter though.