Take this folder
http://www.box.net/shared/guv5op29t50easivt35iUse it to replace this Steam\steamapps\common\il-2 sturmovik cliffs of dover\parts\core\FF
And that is it! Soft centring spring, no shaking when shooting, feedback is there but is very mild, not ultra violent like it always used to be.
I was looking for this kind of solution for MONTHS!:)