>Ron, > >One additional comment on this. This is an interesting idea. If you made >the ribs deep enough in the middle, with the feathering at the ends, then >the line of centroids of the cross sections actually would be defining a >suspension cable sort of arc. Perhaps you could get some additional >support or stiffness from this in addition to the bending stiffness of the >deeper rib. > >Phil Ford Maybe so, since it's not limited to the difference across the curve compared to the chord, like an arch. Ron N
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