Hi Denise, The conical punchings are a different concept entirely. The are front rail puchings and the conical design is to help minimize compression of the felt during play. It makes the completion of aftertouch more crisp, and also makes setting key travel a bit easier. William R. Monroe SNIP > Have you ever used those punchings that are conical? Seems they operate on > the same principle. I've never seen them or any glued half punchings in > pianos to date. But then the year is still new. . . . . > > Cheers, > > Denise > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20100107/84c9145a/attachment.htm>
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