Robert M. Gary writes:

I can't imagine how/why you would feather the prop with the engine
still running.

Neither can I, but I was wondering if it would hurt anything.

Certainly not something I have or would try. On most all
planes pulling the prop level all the way back feathers them. On some
older planes there was a feather button but nothing I've flown (DC-3,
etc)

There's a red button on the sim, but it doesn't appear to be fully
simulated. It's the "minus" settings of the prop that puzzle me.

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