Originally Posted by
Tu.114
That may be true with single-shaft engines like the Dart or similar, where a spinning propeller will turn the compressor as well. On the PW120 series, the propeller is not connected to the turbomachinery proper except via the power turbine. Here, unfeathering the engine will only result in drag and not in a restarted engine.
Yes, although not recommended (
), you can in fact hold the prop of a PW120 (or PT6) while the engine is starting.