Key flexing, was "Inertia," was "Grand Touch"

[ed440 at mindspring.com]

Ron-
So if the top stiffener is already done, would you say don't bother with pulling the dowels and adding a bottom plate?  Given the choice of one or the other, do you think the top plate adds more stiffness than the bottom?
Man, it was a lot easier back when we just banged our chests and hooted.
Ed
>
>
>The effective key fulcrum changes more through the stroke 
>sitting on a punching than it does on that half dowel, so that 
>isn't it. My reason was to be able to stiffen the key, and 
>eliminating the half dowels gave me room to add a shoe that 
>effectively did that without having to change key buttons. 
>I've done it the other way too, adding both a top plate and 
>long key buttons, and left the half dowels on. This makes a 
>stiffer key, but is a lot more work.
>
>Ron N