Pratt Tests First XA101 As F-35 Reengining Wins New Support

adaptive engine
Adaptive engines are gaining favor as changing electronics and operational demands on the F-35 strain the performance of the F135 engine.
Credit: Rick Goodfriend/U.S. Air Force
A completed series of tests on the first Pratt & Whitney XA101 experimental turbofan comes as the manufacturer adapts to new support from U.S. Air Force leadership to replace the company’s F135 powerplants on the Lockheed Martin F-35A. The XA101—Pratt’s entry in the competitive Adaptive Engine...

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