R,C&S question JD

[Ron Nossaman]

> First of all, I won't question this figure simply because I haven't time 
> to trawl the archives for a statement to this effect, but it would be 
> good to have confirmation from one of the practitioners that this is 
> so.  It seems unlikely if I'm not mistaken in what follows.

No. Every builder has his own set of parameters. The thing in 
common with those building rib supported boards is relatively 
stiffer machine crowned ribs and relatively low panel compression.

What are the precise figures on a traditional CC board?

Ron N