Mario Petrinovic:
> But, the most important thing is the hight of screen. Why this
> affects FFB, I really don't know exactly, but it definitelly affects it
> badly. Since you are good in physics you will understand this. It affects
> FFB the way shifting the center of gravity up or down, would. This has to
> match PRECISELY, otherwise you'll have problems with FFB.

Actually, it is more like your wheel is on pendulum (I hope this is
correct word) attached to the center of gravity. The bigger the difference
between center of your eyes and center of screen, the longer pendulum is.

Mario