This is a multi-part message in MIME format. ---------------------- multipart/mixed attachment > This was very informative. > Now, imagine an older english action, with no wippen, just a jack that > sets off and then the hammer goes in check, and at that moment, there is > nothing that pushes the key back home. Say that this particular action > is too slow, how would you cure ? You talked about the moment when the > key inertia takes the control of return speed. Would more lead at the > rear of the key make it return faster ? Or opposite ? I'm hesitating > between notion of weight at the rear of the key (that I suppose to make > it get down quicker) and notion of inerty (that I suspect to make the > change in direction of move of the key slower). > What do you think ? > > Best regards. > > Stéphane Collin. A spring would make a very big difference. Like this: Ron N ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: Fandrich Grand Action.jpg Type: image/jpeg Size: 70457 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/48/1e/fc/45/FandrichGrandAction.jpg ---------------------- multipart/mixed attachment--
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