Laminated ribs

[Ron Nossaman]

> > As long as the glue holds, it's a solid piece of wood.
>
>
>Well, not quite. In a bent lamination the outside (convex) laminae are
>under some amount of compression and the inside (concave) laminae are under
>some amount of tension. How much depends on the material used, the radius,
>the height of the bent lamination, etc. But that is what holds it in a
>curve.
>
>Del

But then I've cut many a solid piece of wood and watched the internal 
stresses bend what I'd cut farther than the laminations were bent to make a 
rib.

Ron N