List, Continuing with the discussion about even balance weight verses even inertia I have another contribution. Actually a clarification of a comment I made before. Please see the illustration on the technicians page of my web site. [link redacted at request of site owner - Jul 25, 2015] I think this will show what I meant when I said that the key leads help when you play softly but hinder when you play at louder dynamics. I got started thinking about this a few years ago after seeing a class given by Bob Holf. He described an experiment he did using a large scale key model. The gist of the experiment was to discover how the key reacted to varying force. The key's acceleration as measured revealed the influence of inertia. John Hartman RPT John Hartman Pianos [link redacted at request of site owner - Jul 25, 2015] Rebuilding Steinway and Mason & Hamlin Grand Pianos Since 1979 Piano Technicians Journal Journal Illustrator/Contributing Editor [link redacted at request of site owner - Jul 25, 2015]
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