I need the help of the list again. I have a Petrof small grand I am trying to regulate. When I try hammer to string of 1 7/8" the hammer rests on the rail. When I measured the key height, it is 2 3/8" not 2 1/2". Anyone know what it is supposed to be? Thank you, John Ross Windsor, Nova Scotia, Canada jrpiano at win.eastlink.ca -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100813/9a6f7dd1/attachment.htm>
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