Ron, A former head tech at S&S told me that there, the stringers and chippers turn the pins back and forth a lot for the specific reason of reducing jumpiness. I've tried it. It seems to help but is not a cure-all. Robin ----- Original Message ----- From: Stephen Powell <pianotec@ihug.co.nz> To: <pianotech@ptg.org> Sent: Wednesday, November 24, 1999 3:19 AM Subject: Re: Victor console >Ron Nossaman wrote: >> >>Our old buddy Vince put Protek in a snappy pin block and reported that it >>smoothed right out without noticeably reducing pin torque. That probably >>wouldn't work here, and I wouldn't be brave enough to try it in a piano >>anyway. Has anyone ever tried the equivalent of shrinking action centers on >>pinblocks? A little alcohol and water dribbled into the block, like you >>were doping it, should swell the wood enough to induce a little permanent >>compression set so that when the block finally dried out, the pins would be >>looser... and possibly rusty. I'm not condoning this, and haven't tried it, >>but since reasonable assembly techniques seem to be so elusive for some >>manufacturers, there ought to be some sort of quick and dirty improvement >>possible, just to give the field tech a fighting chance. It's about time we >>found one. Everybody go out in the shop and try something outrageous on a >>pinblock scrap with some too tight pins installed and report back in a week >>or two. One of us may stumble upon something truly dangerous and/or >>wonderful. I think it's worth a try. Hey, it beats spending time with >>stuffed relatives this weekend, doesn't it? >> >> >>Ron N > > >I'd sure like to hear about any results in this direction. Maybe I'll just >have to add these pianos to my list of bazooka target practice along with >all the spinets and overdampers :-) > >Thanks to everyone who gave advice on this issue. I feel like I did the >right thing now! > >Stephen "overdampers track me down" Powell >Auckland, NZ > > > > > > > >> >
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