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Industry News
F-35 Lightning II completes full-scale static testing

The composites-intensive F-35A conventional takeoff and landing (CTOL) ground-test article produced no structural failures after 295 days of testing.

Author:
Posted on: 6/10/2010
Source: CompositesWorld

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The Lockheed Martin (Ft. Worth, Texas, USA) F-35 Lightning II program announced on June 9 that it has successfully completed F-35A conventional takeoff and landing (CTOL) full-scale static testing — with zero structural failures — five months ahead of schedule and in less than half the time of legacy programs.

The test program was conducted on AG-1, an F-35A dedicated to validating the strength of the jet's airframe.

During testing, the strength and stability of the aircraft structure were verified to 150 percent of design limits or 13.5 Gs (force of gravity), with 174 critical load conditions, or pressures, applied to the airframe to evaluate its structural integrity. Testing was conducted predominantly at BAE Systems' Structural & Dynamic Test Laboratory in Brough, U.K. The U.K. tests began in August 2009 and were accomplished in 295 days, a rate that exceeded the record-setting pace previously established by the F-35B short takeoff/vertical landing static test program.

Mick Ord, BAE Systems managing director for the F-35 program, said, "This was a major milestone, and the test results demonstrate that the F-35 has a fantastic airframe. As a principal subcontractor to Lockheed Martin, one of the capabilities BAE Systems brings to the F-35 programme is our structural test expertise. The structural and dynamic test facility at Brough is a centre of excellence in the U.K. Our team has performed admirably to complete the test schedule on AG-1 ahead of program."

The F-35 Lightning II 5th generation fighter combines advanced stealth with supersonic speed and high agility, fully fused sensor information, network-enabled operations and lower operational and support costs. Lockheed Martin is developing the F-35 with principal industrial partners Northrop Grumman and BAE Systems.

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