laminated ribs

Ron Nossaman rnossaman@cox.net
Thu, 16 Feb 2006 10:32:41 -0600


> If I understand rib tapering theory correctly (and maybe I don't - so 
> please correct me), the straight tapering that Del and Ron O use is 
> based on engineering principles that suggest such a design will best 
> support a centered load more-or-less evenly along the length of the rib 
> (and allow freedom of movement at the ends). Whereas the constant 
> thickness rib with the sculpted tapers at the ends lends itself better 
> to a compression-crowned soundboard where the constant thickness of the 
> rib will tend to induce development of consistent crown as the panel 
> hydrates (and allow freedom of movement at the ends).
>  
> I realize there is everything in between also, but isn't that the big 
> picture?
>  
> Terry Farrell

Sounds reasonable enough to me. One system designed to develop 
crown, the other designed to support it.  <G>
Ron N

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