This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment >From the information given, I'd guess an oversized pilot hole.=20 Let me make a distinction here, as well. It is possible that a factory = might successfully turn the capstans in place. This would be done with a = machine that would precisely grip the head of the capstan holding it = nice an true and then spin the capstan down with no side play on the = capstan at all. This is not how we would do the operation in our shops. = We take a capstan wrench -- of whatever type -- and slowly crank the = thing down. They wobble all over the place finding their way down as = best they can.=20 By pressing, rather than turning, the capstan into a properly sized = pilot hole, it is driven straight into the hole without much damage to = the sides of the hole.=20 I've tried it both ways and have consistently found those capstans I = have pressed home to be straighter and tighter than those I have turned = in. However, your mileage may vary.... If it works better for you to turn = them home, then that it the proper way for you. We'll keep pressing on. Del -------------------------------------------------------------------------= ------- ----- Original Message -----=20 From: Dave Nereson=20 To: pianotech@ptg.org=20 Sent: January 07, 2001 11:37 PM Subject: Re: Capstans I recently tried to regulate a brand-new Boston studio. The capstans = wouldn't stay regulated. I'd regulate them, then after tuning, there'd = be too much lost motion again. The capstans were being pushed down into = their holes even on a medium-hard blow, and no, I wasn't pounding the = heck out of it. The factory must've a) drilled the holes too large, or = b) pressed, rather than turned them into their holes. Or maybe the = holes expanded due to the dry Colorado climate ? --Dave Nereson, = Denver ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/62/bc/3c/e0/attachment.htm ---------------------- multipart/alternative attachment--
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