And I, dear michael_sayers, haven't spoken of grand pianos in GENERAL. That's what you wanted me to comment on - but to no avail..

..but..you are wrong in that, too:

Because, also for a grand piano IN GENERAL, the same laws are valid, which are mentioned in the other thread for a single hammer: On a GRAND PIANO IN GENERAL, and for OTHER PIANOS it's valid for the hammers, that the tone color each of them produces when striking the strings, CANNOT BE INFLUENCED after the hammers have passed the point of escapement. For instruments like the clavichord, in contrast, that ISN't valid, because THERE, we can change the tone color to a certain degree.
And now I will continue reading and writing in the other thread, Michael. I hope you won't insist on a discussion HERE, about off-topic-things.
Cordially, 8_octaves!!