Hi John and Barb, Shrinking the felt is OK to a point. Upside, a little more stability for the jack position. Downside, an increase in jack noise so be careful. I suggest you experiment before you do all 88. Usually there is some room to reposition the jack so take a careful look at this option. Regards Roger At 03:35 PM 10/30/2007, you wrote: >I'd be tempted to find a different punching. >There appears to be at least 3 thicknesses available. >Even after compressing, I don't think it will stay, unless you possibly >dampen them, or something. >John M. Ross >Windsor, Nova Scotia, Canada ><mailto:jrpiano at win.eastlink.ca>jrpiano at win.eastlink.ca >----- Original Message ----- >From: <mailto:piano57 at insightbb.com>Barbara Richmond >To: <mailto:pianotech at ptg.org>Pianotech >Sent: Tuesday, October 30, 2007 6:07 PM >Subject: Jack button punching compression > >Howdy, > >I'm replacing the jacks in some Thayer wippens. The replacements have >really big, fluffy jack button punchings--which put the jack position too >far forward and if I bend the spoon backward to get the jack back far >enough, there isn't enough tension on the spring that's held by the loop >on the jack. (Follow me?). Instead of trying to compress the >questionable punchings on the jacks, I think it's easier to compress a set >of replacement punchings that I have which look less wild than those on >the replacement jacks, but still need compressing. Then I'll simply >replace the original poofy ones. The punchings are on my bench, under a >cutting board that is weighted down. > >Here's the question--(drum roll): > >How long should I leave the punchings under the weight? > >This piano belongs to a friend and it will be a good project for her to >replace the punchings. Hmm, I'll have to think of a few other little jobs >for her to do... > >Thanks, > >Barbara Richmond, RPT >near Peoria, Illinois -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20071030/3801573d/attachment.html
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