Another point is that idle doesn’t necessarily means the lowest temp on a jet engine.
Can’t remember the PT6, but e.g. the CFM 56 runs noticeable hotter at idle than at low thrust settings, static on ground and in flight.
Another point is that idle doesn’t necessarily means the lowest temp on a jet engine.
Can’t remember the PT6, but e.g. the CFM 56 runs noticeable hotter at idle than at low thrust settings, static on ground and in flight.