The Boeing Company

Steve Georgiadis

Andrew K Glynn

David A Pook

Samuel J Meure

Max Marley Osborne

Nicholas Batzakis

David Andrew Pook

A method and apparatus for manufacturing a filler for a composite structure. The apparatus may comprise a filler. The filler may comprise a fiber matrix that is uniform in all directions. The fiber matrix may comprise a first plurality of discontinuous filaments and a second plurality of discontinuous filaments. Each filament of the first plurality of discontinuous filaments may be comprised of a stiffening material. Each filament of the second plurality of discontinuous filaments may be comprised of a binding material. Discontinuous filaments of both the first plurality of discontinuous filaments and the second plurality of discontinuous filaments may be randomly oriented and entangled with each other.

Noodle comprised of a matrix of discontinuous filaments

Systems and methods are provided for a curved aircraft substructure repair stiffener. The curved aircraft substructure repair stiffener may be formed by cutting a flat pattern, cutting a plurality of slits into the flat pattern, and bending the flat pattern a plurality of times. The curved aircraft substructure repair stiffener may be coupled to a portion of an aircraft to strengthen a portion of the aircraft. In certain examples, the portion of the aircraft may have been weakened due to repairs and the curved aircraft substructure repair stiffener may strengthen the section. In certain examples, one or more web stock may be coupled to the curved aircraft substructure repair stiffener to further stiffen the curved aircraft substructure repair stiffener.

Curved aircraft substructure repair systems and methods

A composite frame includes a plurality of truss elements covered by a cap. The truss elements are flexibly coupled with each other and with the cap. The frame flexes to conform to a contoured surface to which it is attached. Once attached, the installed frame provides the required rigidity to the structure.

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Melbourne, Australia

Steve Georgiadis