TheSmokingGnu writes:

Yes, and yes. There is a procedure to check the prop speed mechanism
during run-up to briefly move the prop lever through it's travel.
Intentionally running a prop to feather on an engine doesn't do it any
good, however, and if it gets slow enough, the engine can stall, or
heaven forbid the lock pins can fall in place (and then you're really
FUBAR'd, time for a mechanic). On a (free-turning) turboprop, it's less
of a concern, although I imagine the turbine guys won't thank you for it
if you do it too often.

Thanks. Another thing that confuses me is: Is a feathered prop
always edge to the wind, or flat to the wind, or does it vary by
aircraft? Edge to the wind would minimize drag on the aircraft, but
flat to the wind would minimize drag on the engine.

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