David, Here's a pic which shows the difference between the expanded (grey) and new (gold) brackets. The height has expanded affecting (a little bit of everything, including spread) as has the front-to-back dimension, further affecting spread. The lower rail is higher than it should be, but the upper rail is even more higher. Paul Bruesch Stillwater, MN On Fri, Apr 23, 2010 at 12:43 PM, David Ilvedson <ilvey at sbcglobal.net>wrote: > As I said, I haven't done this job, but...It seems to me once you have the > new brackets on and the stack back attached to the keyframe, you will still > have level keys. The dip will be exactly the same. The damper regulation > will be exactly what you had before. So what needs to be done? I don't > know what the new brackets are going to do to the action spread? You would > need that figure and adjust the wippen rail as needed. Now you rough in > hammer blow. It would seem that the circle of jacks is going to still be > close enough to get a rough regulation. Align hammers to strings. Rough > in let-off/drop. You now have a pretty good starting place? Can anyone > tell me how close are the new brackets are dimensionally to the old? Tell > me what I'm missing besides some experience in this repair... '-] > > David Ilvedson, RPT > Pacifica, CA 94044 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100423/bdbda242/attachment-0001.htm> -------------- next part -------------- A non-text attachment was scrubbed... Name: centerBrackets.jpg Type: image/jpeg Size: 43610 bytes Desc: not available URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100423/bdbda242/attachment-0001.jpg>
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