Soundboard crown

Richard Brekne Richard.Brekne@grieg.uib.no
Mon, 18 Aug 2003 10:00:05 +0200


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Hi Del

I guess what I was getting at was what range of RH would we need to
confine a panel to for it avoid tension caused cracking. Actually, as
long as this is up. Maybe a rough comparison for safe operating RH's for
both CC and RC boards.

RicB




Delwin D Fandrich wrote:

>
>      Delwin D Fandrich wrote:
>
>
>      Yes, I see what you mean. I don't see how, in anything
>      remotely resembling average climate conditions, you would
>      generate enough tension to cause the thing to crack.
>      Assuming the panel was at some MC in the 7% to 9% range when
>      it was ribbed.
>
>
>      Hi Del... would you put a figure on what you mean by
>      "average climate conditions" just for edification please ?
>      Thanks muchly.
>
> Poor choice of words. Replace "average" with "typical" or "common." In
> other words, any micro-climate that might be found inside a normal
> home in what is normally considered to be normal civilization.
>
> Del

--
Richard Brekne
RPT, N.P.T.F.
UiB, Bergen, Norway
mailto:rbrekne@broadpark.no
http://home.broadpark.no/~rbrekne/ricmain.html
http://www.hf.uib.no/grieg/personer/cv_RB.html


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