I second that : 3 1/2 swings, (not 4 for instance, as 4 would mean 4 1/2 ) as for a vertical, is suited for any grand , I know I have read about 8swings and tried it, indeed that is the numbers you have after some years of playing, why begin with a so high figure ? Depending of the HR of the season , repine tight or more free . Regards. Isaac > -----Message d'origine----- > De : caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]De la part de > Jeff Tanner > Envoye : lundi 16 decembre 2002 21:17 > A : College and University Technicians > Objet : Re: those pesky swings > > > Wim, > Yeah, the ya da ya da. > > If you'll leave those hammer shanks at about 4 swings, your > pianists will > adore you. I just repinned our concert grand which was > swinging about 7 or > 8 times because the pianists couldn't get any control. I > repinned at from > 2 to 4 swings after "working" them. Improved the tone > miles and miles, too. > > Yeah, I live in the humid South, too. If gravity will pull > it down it > ain't too tight. > > Jeff > > >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 > > > > > > > > _______________________________________________ > caut list info: https://www.moypiano.com/resources/#archives >
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