Test a bushing or two with a thorough coating of Teflon powder..there can be tremendous pin / bushing cloth drag even with new felt....also, the usual subjects that may be reducing the keys return...balance rail bushing fit, and the balance rail hole, friction at flange pinnings etc... Dan Reed pianoarts at tx.rr.com On Apr 6, 2009, at 12:17 PM, reggaepass at aol.com wrote: > List, > > I am working on a twenty year old Baldwin R which has not been played > much. The front rail key bushings were in various stages of too > tight. The key pins are .145", so I initially eased with a .147" > straight broach in a rheostat controlled soldering iron (set to a > setting used successfully on many previous outings). Barely made any > difference at all. Stepped it up to the next larger size broach, > .150". Things improved but just barely. I was not getting the slight > but positive "knock" from side to side that I usually work for, but > the keys were at least coming back up (!). I don't know if the > bushing cloth is too thick, or too spongy, or if the mortise was > somehow too small to begin with (if that is even a possibility), but I > do not have great hopes for the keys remaining functional for long as > some are already showing signs of needing to be eased again. > > So my question is this: Has anyone used V S Profelt with appropriately > sized cauls overnight as an effective fix for bushings that are too > tight? > > Thanks, > > Alan Eder > > > > Get the scoop on the live music scene in your area and hit a show > tonight. Check out TourTracker.com! -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: text/enriched Size: 1732 bytes Desc: not available URL: <http://ptg.org/pipermail/caut_ptg.org/attachments/20090406/3a9e7caf/attachment.bin>
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