Kermit, I am courious as to your statement that practice engine failures are done with the throttle closed and the pitch full fine.
Please explain why you would need the pitch in full fine?
If you are a flight instructor I am really courious to find out why you would make such a difinitive statement.
Now don't get all excited and take my question as an invitation to argue it's just that I wish you to elaborate a little more as I do not see the need to select full fine pitch just to practice engine outs. Especially if you are paying for the engine overhauls.
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The hardest thing about flying is knowing when to say no.