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MQ-25 Refueling UAS Features Integrated Fuel Tank Structure

  2018-07-10

introduce:General Atomics Aeronautical Systems, Inc. (GA-ASI) has confirmedthat an integrated fuel tank structure will maximize fuel offload forthe proposed MQ-25 unmanned aerial refueling aircraft for the U.S. Navy.GA-ASI applied its knowledge of advanced composit

MQ-25 Refueling UAS Features Integrated Fuel Tank Structure

General Atomics Aeronautical Systems, Inc. (GA-ASI) has confirmed that an integrated fuel tank structure will maximize fuel offload for the proposed MQ-25 unmanned aerial refueling aircraft for the U.S. Navy. GA-ASI applied its knowledge of advanced composite aircraft structures to develop integrated fuel tanks in a large-scale wing box test article and a full-scale wing skin pre-production validation article.

The wing box tested to failure via wing bending at GA-ASI’s Adelanto, Calif. structural test facility in November 2017. In April, the company verified the production readiness of the co-cured wing and tail components using both non-destructive and destructive inspections.

“The integral fuel tank wing box test article will reduce technical and schedule risk for the program,” said David R. Alexander, president, Aircraft Systems, GA-ASI. “Specifically, through extensive validation of fuel containment sealing methods, advanced non-linear buckling finite element analysis models and thick composite laminate construction, we have accelerated engineering design consideration prior to the detail design phase and production.”

A full-scale inner-wing skin demonstration article built in March at GA-ASI’s Spanish Fork, Utah facility verified the MQ-25 tooling concepts, lamination approach, and processes. The team validated the outer mold line tooling approach for the build process which enables accelerated engineering and tooling fabrication for the MQ-25 program.

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