Nicknamed "The Wooden Question", plywood was used for the wing surfaces, and also flat sections such as bulkheads as well as webs from the wing spars. The fuselage had Remarkable rigidity from the bonded ply-balsa-ply 'sandwich' of its monocoque shell; elliptical in cross-portion, it was fashioned in two independent mirror-image https://lindseym530fgi1.blogoxo.com/profile