Unusual rib structure?

[Ron Nossaman]

>Which is why we don't feather ribs that way. Basically, the rib is divided
>into thirds. Feathering starts about one-third of the way in from each end
>(depending on the location of the bridge) and is flat, not concave.
>
>Del


Ditto, and when one is loaded on the bench to see how it bends, the curve 
it takes is nice and uniform across the entire rib.

Ron N