Soundboards: Thickness and Area

Delwin D Fandrich pianobuilders@olynet.com
Tue, 21 Oct 2003 14:44:53 -0700


----- 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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