> >>and let's take the simplest case of removing a punching at the front rail >- the repetition travels farther, pushing the hammer into the string after >letoff. To correct it, we lower the drop screw. However, that means it's on >the drop screw longer before letoff occurs, it compresses the spring more, >and tends to have more resistance and a spongier feel. For a positive and definite feel for the escapement, the rep lever should contact the upstop screw at the same time that the jack tender engages the let-off button. Fine tuning (minimizing) knuckle lift off the rep lever is done with jack fore & aft rest position (alignment to core). Regards, Jon Page -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080131/a46f06b2/attachment.html
This PTG archive page provided courtesy of Moy Piano Service, LLC