Folks,
Having seen how some of these questions get written, I suggest that Q3 is being over-read. Poor choice of words does occur, particularly as the question writer may not be the most knowledgeable person around.
The old stall recovery procedure that I was taught and subsequently taught was very definitely
not to pick up the wing with rudder. It said:
"Rudder to
prevent further yaw"
for very sound reasons. Firstly, preventing further yaw by the use of rudder removed one necessary condition for autorotation. Secondly, the use of ailerons at Clmax does two things - one, it increases the local alpha on the downgoing wing and may compromise the unstalling process by prolonging the stall, and two, it creates adverse yaw in exactly the wrong direction thus enhancing the chances of autorotation. Thirdly, attempting to pick up the lower wing with rudder at high alpha is an invitation to over-correct and thus create a pro-autorotation yaw the other way. Fourthly, depending on the airframe, generating significant rolling moments by gross use of rudder may well exceed the design load of the back end.
My personal view: only ever enough to prevent, never enough to correct.
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Stay Alive,
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