This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment It sounds maybe like very weak damper springs. On a hard blow, the damper body would fly off the wippen spoon shortly, and return back giving a slight kick a millasecond after the end of the stroke. That's my guess. Dave Foster ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/a5/7b/bc/93/attachment.htm ---------------------- multipart/alternative attachment--
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