Unusual rib structure?

[Ron Nossaman]

> > That's why I asked. Everyone wants to measure crown in the place where
> > soundboards nearly never go concave, and never the place where they nearly
> > always do. How does it look in octave 6, where crown typically reverses?
>
>Ah!  I didn't know that.  Well, I placed a straight edge up under the
>soundboard close to the second treble rib.  My guess (since I can't really
>measure very well there) is that I have slightly less than 1/8" of crown
>there.

Very surprising.


>Most of the curvature seems to be where the rib tapers, if that
>means anything.

Means it's a compression crowned board.


>The middle of the high treble board is less curved, with
>perhaps 1/32" of arch to it, depending on where the starting and stopping
>points are defined.  So is it a keeper? ;-)

It might very well be a miracle!

Ron N