--- You wrote: Problem: Bobbling hammers on a S&S M from C5 on down. I mean, they don't even check on a hard blow. Some of them are checking, but only on a hard blow. The rest just bobble. New hammers, shanks and flanges. --- end of quote --- Hammer tails too short. Bore distance too short for the string height. Hammer flange pinning too loose. Rep springs too strong. Put it all together and you got Trouble in River City. Steinway Backchecking Syndrome. Danny Dover Dartmouth College Hanover, NH
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