Yes, and they also prevent the CA from penetrating where it's needed, although it should be decades before that becomes an issue... > [Original Message] > From: Farrell <mfarrel2@tampabay.rr.com> > To: Pianotech <pianotech@ptg.org> > Date: 5/2/2004 8:58:30 AM > Subject: Re: pinblock drilling angle, with pin bushings > > "... bushings get slightly crushed pretty easily." > > That has been my experience also. I don't worry about it. I think the only > service one gets out of these bushings is to discourage spiders from setting > up shop in that cozy little void. > > Terry Farrell > > ----- Original Message ----- > From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> > To: <spalding48@earthlink.net>; "Pianotech" <pianotech@ptg.org> > Sent: Sunday, May 02, 2004 8:31 AM > Subject: Re: pinblock drilling angle, with pin bushings > > > > Probably not all that good a thing you describe below. I ran into that > > one quite a ways back as well, and I think most anyone whose done any > > pinblock drilling has as well. > > > > I always bypassed the problem by using pin bushings that were not > > pre-drilled. A dab of glue between the pinblock and the bushings keeps > > them tight so I dont run into the spinning bushing syndrom. > > > > I'm not really sure whether its a big thing really... bushings get > > slightly crushed pretty easily. > > > > Cheers > > RicB > > > > > > > > Michael Spalding wrote: > > > > > Listers, > > > > > > Just finished stringing a piano with tuning pin bushings. Drilled the > > > pinblock at 4 degrees, but the bushings, of course, are aligned with > > > the holes in the plate webbing at 0 degrees. Also, unless the > > > pinblock drilling is perfect, the bushing will be offset from the > > > pinblock hole. So as the pin is driven through the bushing and into > > > the pinblock, I can see it change direction, and I would think that > > > either the bushing or the pinblock (or maybe both) is being damaged by > > > this misalignment . Pin torque is right where I want it, so maybe > > > I'm obsessing over nothing. But I would appreciate hearing from some > > > of you who have more years of following your restringings, is this in > > > fact a problem, and if so, how do you minimize the effect? > > > > > > thanks > > > > > > > > > Michael Spalding > > > spalding48@earthlink.net <mailto:spalding48@earthlink.net> > > > > > > > > > > > > _______________________________________________ > > pianotech list info: https://www.moypiano.com/resources/#archives > > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
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