Yep, got it. I certainly didn't take it as anything but constructive. Thanks, though for the clarification. William R. Monroe On Wed, Jan 20, 2010 at 9:39 PM, David Love <davidlovepianos at comcast.net>wrote: > Not meant as a criticism, just a comment. I’m usually exchanging #6 pins > for # 7 at least in the capo section on many pianos so it requires a drill > out anyway. Similarly, most bridges extend #7 pins down through the tenor > and I often go up one size to #8s with predrilling to insure a tight fit. > Also, drilling out insures I don’t have to grind down the tops of the pins. > Maybe it doesn’t heat them up or stress them but there is a difference > between string pressure and file or belt sander pressure, namely that the > string applies pressure nearer the cap. The file or belt sander applies > pressure at the very top of the pin which can be quite a ways from the cap. > Some flagpolling can take place which can stress the fit at the cap. In > general, I don’t file or sand the tops of the pins for that reason. > > > > David Love > > www.davidlovepianos.com > > > > > Sure, each their own. For the most part I guess it feels like trading one > task for another. Epoxy size the hole and drill out, or dip the pin and > drive in? Probably a wash for me. Yes, you really do need to wear gloves > when driving in the pins and shoe-shining the cap, but it's really a very > localized process for me. > > As for stressing the pins, unless you really bear down on the pins, or sit > in one place, there is no danger of lateral stress or overheating. > Certainly nothing approaching what the strings themselves do, I would > think. I've heard the arguments, and I think it's a reasonable concern, but > as with most things in this biz, if you use appropriate care with this > process, there is no cause for concern. > > I certainly don't think my was is the only way, or the "better" way, just > one that works for me. > > William R. Monroe > > > > On Wed, Jan 20, 2010 at 6:02 PM, David Love <davidlovepianos at comcast.net> > wrote: > > I used to do the epoxy in the pins thing but decided there wasn’t much > reason for having to deal with the mess. By sizing the holes even slightly > with epoxy and reinforcing the wood you can run a drill quickly down through > to insure uniform depth and diameter and a clean surface. After that, > inserting the pins and just securing with a drop of thin CA is plenty to > secure them. I don’t particularly like to file or belt sand the pins as I > think there’s no need to either heat them up or put lateral stress on what > should be a tight fit. > > > > David Love > > > > > -- William R. Monroe, RPT A440-William R. Monroe Piano Services, Inc. 314 E. Church St. Belleville, WI 53508 608-215-3250 www.a440piano.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100121/0a637403/attachment.htm>
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