Mahogany was Wood & Humidity

[Delwin D Fandrich]

By now you should know better than to ask me for a quick anything. I'm
working on it and am now up to about 1500 words and will probably make it
into an article of some sort. At this point I doubt I'll publish it publicly
to the net. Perhaps those who are interested can E.mail me privately and
request a copy. Use the subject line: Laminated Soundboards. If there are
enough requests, I may reconsider.

Del

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----- Original Message -----
From: <BobDavis88@AOL.COM>
To: <pianotech@ptg.org>
Sent: January 02, 2001 1:09 PM
Subject: Re: Mahogany was Wood & Humidity


> So, Del,
> Would you be able to give a quick synopsis of the essential differences
> between designing with a solid spruce sbd panel and a laminated (any
species)
> board? I'm not asking for trade secrets or an extended treatise, just a
list
> of the principles. For instance, it's easy to thin a solid board around
the
> edges. Can this effect be replaced in a uniform-thickness panel by bridge
> placement and backscale length? Or do you taper the outside laminae? What
> other factors do you look at besides overall mass and stiffness?
> Thanks
> Bob Davis