You might try calling or e-mailing Kent Webb at Steinway. His e-mail is KWebb at steinway.com. I don't have his phone number handy, but he knows all the ins and outs of measurements for Steinways past and present. I've never done anything to Z-45's except for tuning and voicing. I don't even see many of them. Hope this helps. Paul From: "Nathan Cook" <nathanantonio at bust.com> To: <pianotech at ptg.org> Date: 01/21/2010 12:44 PM Subject: [pianotech] pressure bar height Hello All, I am restringing a 1970 Steinway Z 45" upright. The original height of the pressure bar seems excessively low. In addition the v-bar was badly gouged in some places (perhaps from excessive string pressure?) and these notes had an unpleasant metallic zinging noise that disappeared if the strings were spaced out of the grooves. My customary approach would be to duplicate the original height. However, this piano has many other unusual factory original features; I don't want to duplicate a previous error. Given the problem the piano had before and comparatively excessive bearing, what is the best way to calculate an appropriate pressure bar height that will provide adequate speaking length termination and appropriate friction? Thank you, any input would be appreciated. -Nathan Cook BUST: The magazine for women with something to get off their chests. Subscribe today at www.bust.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100121/fa1d02fa/attachment.htm>
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