This, me thinks... would be a very bad idea. Much easier and much better to rebush, or simply install new flanges. RicB "The easy way is always the hard way" Gorges Patrinous in - To Bad the Error, by Peter Goodale > tune4u@earthlink.net wrote: > > Interesting question about what I see as an imperfect science, at > best. I'm wondering if just testing the hammer for side-to-side motion > while holding the butt (upright) or flange (grand) would be accurate > enough to indicate wobble problems. > > Here's a weird idea: Has anyone tried a drop of "pinblock restorer" in > a worn birdseye to tighten it's grip on the pin? The most horribly > wobbling hammers obviously occur when the pin has slipped out of one > side of the flange, which surely indicates a worn birdseye, rather > than redoing the bushings and repinning, I wonder if "dope" would > work. > > Alan Barnard > Salem, MO > > ----- Original Message ----- > From: Wimblees@aol.com > To: Pianotech@PTG.org ; caut@ptg.org > Sent: Monday, December 16, 2002 1:58 PM > Subject: those pesky swings > > We all know that a hammer is supposed to swing 4 - 8 times. > If it is less than 4, then the bushing is too tight. If it's > more than 8, supposedly the bushing is not tight around the > pin, and that might cause the hammer to wobble up to the > string, which will eventually lead to uneven wear on the > hammer, whcih creates tone problems, ya da, ya da. > > So here is the problem. I've got this hammer with only 3 > swings. So that mean the bushing is too tight. Before I take > the pin out, ream the bushing, and put in the same size pin, > I put a little Protec on the bushing. But now, all of a > sudden, I've got 10 - 12 swings. According to the above > presumption, the bushing is now not tight around the pin any > more. > > Or is it? Has the introduction of Protec shrunk the bushing > to the point I need to ream and repin with a larger pin? Or > do I leave the original pin in there, and allow the 10- 12 > swings? > > Wim -- Richard Brekne RPT, N.P.T.F. UiB, Bergen, Norway mailto:rbrekne@broadpark.no http://home.broadpark.no/~rbrekne/ricmain.html
This PTG archive page provided courtesy of Moy Piano Service, LLC