Soundboard crown

[Phillip Ford]

>>....I was making the assumption that any board (whether RC or CC) with 
>>positive crown and having downbearing would have compression in the 
>>panel.  But I can see that this gets back into the arch behavior 
>>territory again.  I presume your position would be that with positive 
>>crown and downbearing on a RC soundboard there would be no compression
in 
>>the panel because the panel can't support it and all the load is being 
>>resisted by rib bending.
>
>There might be some. Or there might not be any. It would depend on what 
>the MC was at any given moment. If it is above 6.5% there will be some 
>nominal amont of compression. If below 6.5% there will be some nominal 
>amount of tension.
>
>
>>Perhaps I can explore that in my experiment as well.
>>
>
>But I suppose we shouldn't hold our collective breaths....
>
>Del


Not unless you can hold your breath for a loooong time.

Phil Ford