Hello Bob, It would seem that your hammer boring is not right. EAR On 19-mrt-05, at 16:22, Bob Hull wrote: > Hello List, > > On a rebuild for a small but good quality grand I am > replacing all of the action parts and having some > doubts about the action configuration. As I > regulate samples the drop screw has to be lowered > almost as far as it will go. > > Another relationship that appears to be off is the > jack to hammershank relationship which is not > perpendicular but rather it is more toward the B- side > (Bob Hoff terminology). How can I change this? > > The new (Renner) wippen with the closest match to the > old wippen is the one with the added heel. The old > jack tender/toe seemed to interface better with the > tilted let off rail than the new wippen does. The new > one gives a harder feeling ledge before let off. > I don't like the way that feels. > > I realize that more information may be necessary and > I can supply it if asked. One other thing I will add > is that I had to lower the plate/string plane as much > as I dared to get some downbearing. I am adjusting > the hammer bore because of this. > > So to restate my question: What is indicated about an > action geometry when drop screws must be lowered so > far in order to attain suitable drop? > I would appreciate your comments. > > Bob Hull > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > > friendly greetings from André Oorebeek www.concertpianoservice.nl "Where music is no harm can be"
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