I had not heard of the Brinsmead before! I googled it and found some very interesting information. Thanks for the post! On Sat, Jan 24, 2009 at 5:21 AM, John Delacour <JD at pianomaker.co.uk> wrote: > At 19:48 -0500 23/1/09, Dean May wrote: > > I learned that adjustment technique on this list a couple of years ago. To >> restate: make sure that when the damper pedal is on, the keys do not >> contribute towards any lift on the dampers. This is for a vertical piano >> only. >> >> The opposite is true for a grand. On a grand when the damper pedal is on >> the keys should lift the dampers slightly off the tray. Otherwise if the >> pedal raises and lowers the dampers off the key when the key is depressed, >> the pianist will feel it. >> > > That means that right at the end of the keystroke you would have the added > weight of the damper coming in, which would make sensitive playing very > difficult. The pedal should always raise the dampers higher than they can > be lifted with the key. The only exception I know of is the Brinsmead, the > geometry of which is such that the key always begins to lift the damper at > half-blow, so that the touch is always the same, whether or not the damper > pedal is depressed -- a very clever arrangement. > > JD > > > > > -- Ryan Sowers, RPT Puget Sound Chapter Olympia, WA www.pianova.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090124/c8884a26/attachment.html>
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