Keys and MOI

[James Ellis]

Yes, Vince, evening out down-weight, up-weight, balance weight, and
friction, as felt at the keys, does make a big difference to pianists.  I
have done it many times.  But in your case, are you sure you are talking
about "moi" (moment of inertia), and not something else?  If so, please
tell me how you go about evening out total action "moi" while working only
with the keys?

Sincerely, Jim Ellis