JSF to fly following electrical system review
Published: Tue July 10th, 2007
via: Read the full article at: Flight Global »
Lockheed Martin plans to resume flight-testing the first <a href="/page/48/F-35-Lightning-II.html">F-35 Joint Strike Fighter</a> in August after a complete audit of the aircraft's electrical system was launched following a brief power failure on its last flight in early May.
The fault was caused by a short in the F-35's 270V power system when a lead inside a box touched the lid. "It was a short-duration event and the system responded exactly as it should," says air vehicle team lead Bobby Williams.
The power-by-wire flight-control system locked the affected surface - the right horizontal stabiliser - and adjusted the authority on the other control surfaces to compensate. "If the pilot had not known he had a fault, he would not have been aware of it from a flying qualities standpoint," says Williams.
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