And thus why hammer hardening sucks.... EAR On 28-sep-04, at 14:34, Conrad Hoffsommer wrote: > > ...and why they can sound so nasty. > > > Folks, > > Nothing earth-shattering about this, but... > I finally have visual confirmation of something my thumb has told me > for years. > > I was checking hammer spacing before doing filing, voicing, etc. on an > old Baldwin R using the chalk method. (rub soft chalk on strikepoint > of plain wire strings, then play those notes) I happened to have my > digital camera handy, so... > > The hardening of the shoulders apparently extends almost to the > strikepoint. The strike point has worn down, but the shoulders did > not. The resulting saddleback/swayback profile produced two > strikepoints. > > Fun filing. Fun voicing. > > <MVC-007S.JPG> > Conrad Hoffsommer - Keyboard Technician > Luther College, 700 College Dr., Decorah, Iowa 52101-1045 > Vox-(563)-387-1204 // Fax (563)-387-1076 > > -A rose by any other name would still attract > aphids._______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > André Oorebeek
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