Development of a new flexible wing concept for unmanned aerial vehicles using corrugated core made by 4D printing of composites

wing

This paper presents the feasibility study of the application of the method of 4D printing of composites for the efficient manufacturing aircraft morphing wings. The wing has upper and lower skin, and a corrugated core. The corrugated core is made using the concept of 4D printing of composites. With this concept, there is no need for a mold with complex geometry to make the corrugated core. Instead, only a flat mold is used. A prototype of the wing was made and tested. It was shown that this wing can the sustain the load of a medium size Unmanned Aerial Vehicle, with flex angle up to 20 degrees.

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