"Stick shakers were for the big birds (b17)"
I dont think so, if B17s has "artificial stick shakers". Like in todays boeings.
When the aircrafts stalls, its controls shakes by natural reasons

Stalling provide a air turbulence at the control surfaces, shaking it... and the control colum too. Of course.
FF is the must in any flight simulation.
Nothing is like u feeling ur aircraft right on ur hand.
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Pirado
"The first rule of all air combat is to see the opponent first."
Adolf Galland