Can you run a hardened screw into the remaining portion, like a drywall screw, and pull it out? ( Vise grips on block to act as fulcrum, perhaps with a drop of penetrating oil on the periphery? ) Thump --- Ron Nossaman <RNossaman@cox.net> wrote: > > >Ron, > >Good ideas. Actually the piano is coming in more a > complete restoration > >next summer in which I'll have full access from > underneath the piano and > >punching the material back up should be more > probable. > > Hi Tom, > Then that's probably your best bet. If the pin > involved spans two unisons, > it should be reasonably ignorable until then. > > >I'm still amazed at the rigidity of this material. > I thought this would > >be a quick drill out and install time. Lesson curve > continues! > >Tom Servinsky > > Those little hummers are hardened steel, similar to > a high speed steel > drill bit. You aren't going to cut them out with any > edged drill bit on the > planet that I'm familiar with. It would take > aluminum oxide or diamond > abrasives, and flooding the area with coolant would > be a tad > counterproductive. It does surprise me that it won't > drive on through > though. It seems pretty unlikely to me that the > holes in the plate wouldn't > be drilled through, but it's possible. I had an SF > in the shop about seven > years ago, but I don't remember if that's the case > or not. There's a lot of > spring to these pins, and it takes a pretty good > lick at best to get them > to move in the hole, so even with a clear through > hole it's hard to move them. > > You're right. Probably best to wait for the > scheduled rebuild. > > Ron N > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives __________________________________ Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! http://sbc.yahoo.com
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