This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment -----Original Message----- From: Brad Smith [mailto:staff@smithpiano.com] Sent: Sunday, May 01, 2005 12:17 PM To: Pianotech Subject: RE: Enlarging existing bridge pin holes Also, what are the consequences of using big fat #10 pins...or using slightly smaller #9 pins. Will it affect side bearing, or relationships with dampers? Perhaps not enough to worry about. *What about the slight difference in the over all weight of the bridge. Smaller pins would reduce the mass of the soundboard/bridge structure that the wires must activate?? Just a random thought. John Fortiner Billings, MT. I'm not sure how critical the type of bit is, obviously it's part of the puzzle. Most important is the lightweight shaft that allows you to drill and follow, without influencing, the angle of the original holes. For that reason, you would want to avoid completely filling the holes with epoxy. And, making a bridge pattern from acetate or Mylar is vital, should anything go awry. You might even wish to start a size lower than your final bit, to re-establish the holes, and then complete the sizing with the final bit. Maintaining control, and working "intentionally" are most important. Nick's class also covers a great way to fix bunged up notches; or cracks that have distorted the notch termination on an otherwise good bridge. This stuff, done right makes an old bridge look as though you've recapped it! Best regards, Brad Smith, RPT www.smithpiano.com -----Original Message----- From: David Love [mailto:davidlovepianos@comcast.net] Sent: Thursday, April 28, 2005 11:41 AM To: 'Pianotech' Subject: Enlarging existing bridge pin holes I am repining a bridge and because the bichords are a strange in between size (about 9 1/2), I need to enlarge the holes to accommodate a #10 pin. I have not had much luck doing this in the past in a clean way and am wondering how others approach this. My thought is to reinforce the bridge cap with a clear coat of epoxy first before drilling it out, reaming out any excess that might create large globs inside the hole before it sets up. Any thoughts on this? And what is the best way to approach redrilling an existing hole: high speed, low speed, by hand? David Love davidlovepianos@comcast.net _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/00/05/35/67/attachment.htm ---------------------- multipart/alternative attachment--
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