Ron Forgive my 50 ish year old brain densification but are you saying here that the stiffer you make the board the harder the requirements are for the hammer. If so I'm confused. I remember Del saying this type of board can't tolerate hard hammers & that he was having troulbe at one point with even the "softest" of hammers giving voicing difficulties. My contention has been that the stiffer the belly system the stiffer the hammer requirements. Perhaps it was your particular brand of english that got me twisted. Grin. Dale what it will teach me through the project. I'm making the ribs (therefor the assembly) generally stiffer, and adjusting the remaining crown up. The postmortem has indicated that the result is a greater tolerance, but not a requirement of harder hammers. This connects, to me, with the very high spring rate of a new CC or RCPS board and it's need, not tolerance, for harder hammers. -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20060329/26ce20ab/attachment.html
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