----- Original Message ----- From: "Phillip L Ford" <fordpiano@lycos.com> To: <pianotech@ptg.org> Sent: December 06, 2001 3:57 PM Subject: Fanned ribs (was Soundboard grain angle) > > > Ron, > Do your ribs fan out from a point on the bent side, like the ones shown on the sketch > sent out by Del a couple of days ago? Why do you feel you get better results with a > fan arrangement rather than parallel ribs, varying their spacing and properties? > > Phil F > Keep in mind, this is a sketch only. It is not a final design. The ribs in this sketch do converge to a point off to the treble side someplace. They may not in the final design. There is nothing magical about this--that is, whether they converge or not--it is simply one more tool to use in tailoring a soundboard for the specific response desired. Del
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