The Boeing Company
Multi-box wing spar and skin

Abstract:

Apparatus and systems provide for the construction of wing sections having a plurality of wing spars abutted against each other to form a contiguous multi-box wing spar layup. An aircraft wing includes a plurality of wing spars configured to be attached to an aircraft fuselage, an upper wing surface, and a lower wing surface. The plurality of wing spars are in a multi-box wing spar layup. The plurality of wing spars, the upper wing surface, and the lower wing surface are composite layers having continuous fibers.