Two things come to mind. The butt leather may be to slick or the regulating button rail may need to be realigned. At 11:05 PM 7/16/99 -0500, you wrote: >Hi List, > >I am having some difficulty regulating a 1919 Doherty 56" upright. I have >done considerable work on this piano including soundboard repair, >restringing including new bass strings, new hammers, etc. I have set sample >hammer blow at 1 3/4", letoff at 1/8" and hammer checking at 5/8". I am >getting insufficient escapement with those dimensions. I started with 7/16" >(11 mm) key dip and that isn't sufficient. I get only about 1/32" >escapement. I tried setting the blow at 1 5/8" but there was no appreciable >improvement. Increasing the dip to 12 mm will give me about 1/16" >escapement, but that dip feels too deep for my liking. Increasing letoff to >3/16 seems to me to be the only solution but I feel that this is too great a >distance. > >Does anyone have any suggestions? > >Thanks in advance > >Terry Beckingham >Associate Member >The Pas, Manitoba. >Canada > > Ed Guerra edguerra@mail.utexas.edu Austin, TX
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