[pianotech] capstain/wippen angle, was: key position at rest

[Ron Nossaman]

> Ed, interesting that the hole in the half round moved in
> later years; I didn't know that it ever was off-center. An
> off-center hole would certainly change the ratio during the
> key stroke.
> 
> Vladan

Actually, it wouldn't. Look at the difference between a half 
round dowel, and a flat punching. The ratio changes much more 
dramatically with the flat punching if the punching is at a 
level of half key stroke. With the half round, the ratio is 
very nearly constant throughout the stroke.
Ron N