----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: "Pianotech" <pianotech@ptg.org> Sent: October 21, 2003 12:56 PM Subject: Re: Soundboards: Thickness and Area > > > In any case, I am still unconvinced that Steingrębers procedure for > assuring a stiff boarder line on the edge of the sound board has > anything to do with Chladni patterns. If this in fact displays the > lowest resonant frequency of the panel, or fundamental mode, then I am > wrong. But I'd like to see this confirmed. Especially when Steingręber > himself discounts any connection. I would suppose he'd know the > difference. If I understood your earlier post, Steingraeber discounted the connection between what they were doing and modal analysis. Which is, of course, a whole different thing. Del
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