CPC B64C 3/187 (2013.01) [B64C 3/10 (2013.01); B64C 3/26 (2013.01); B64C 39/024 (2013.01); B64U 10/25 (2023.01); B64U 30/10 (2023.01)] | 20 Claims |
1. A system comprising:
a leading edge tubular member;
an upper tubular member;
a lower tubular member;
one or more upper rib members connected between the leading edge tubular member and the upper tubular member;
one or more lower rib members connected between the leading edge tubular member and the lower tubular member;
a rigid sandwich shell disposed between the upper tubular member and the leading edge tubular member, wherein the rigid sandwich shell comprises one or more expansion joints; and
a sandwich shear web disposed between the upper tubular member and the lower tubular member;
wherein the rigid sandwich shell and the sandwich shear web form a D-shape.
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