F-35 Engine Blade Crack Raises Durability Questions
Credit: Pratt & Whitney
The 0.6-in. crack found on a blade in the third-stage low-pressure turbine of an F-35A last month was the result of “thermal creep,” says U.S. Air Force Lt. Gen. Christopher Bogdan, F-35 program executive officer. Though the problem is not thought to be a design flaw in the F135 engine, the Pratt &...
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