Rib (aircraft)

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In an aircraft, ribs are forming elements of the structure of a wing, especially in traditional construction. By analogy with the anatomical definition of "rib", the ribs attach to the main spar, and by being repeated at frequent intervals, form a skeletal shape for the wing. Usually ribs incorporate the aerofoil shape of the wing, and the skin adopts this shape when stretched over the ribs.

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