Each N-form interplane strut was aided at its top by a long steel tube strut from the forward spar to the lower spar near its root which was a stub wing, strut-braced braced from the upper fuselage to each spar.
Each N-form interplane strut was aided at its top by a long steel tube strut from the forward spar to the lower spar near its root. The wings could be folded back along the fuselage, hinging on the rear spars; clearance for the lower wing was provided by a stub wing, strut-braced braced from the upper fuselage to each spar.