----- Original Message ----- From: "James Perkins" <jimperkins@mac.com> To: <pianotech@ptg.org> Sent: Thursday, July 10, 2003 1:00 AM Subject: Sharp key dip/height > Is there a recommended height above the white keys for black keys when > they are depressed? In other words should they be say 14 mm above the > white keys with a 10mm dip to about 4mm in the down position? Or is it > 'piano specific'? > > I would appreciate your comments. > > > James Perkins > 42 Marlee Road > Parklands > WA 6210 > Australia > > 08 9581 6354 > Mobile 0401674447 > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives > > It is piano-specific, but I'd say 1mm is a bit low and 2mm is toward the high side (height of sharp above natural when sharp is depressed). Here in the states, the thickness of a nickel is about right, which is .065 inch, or 1.65 mm, if it can be measured that precisely. --Dave Nereson, RPT, Denver
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