Pratt & Whitney Marks First Steps On F-35 Engine Upgrade Plan

Credit: F135: Hpeterswald
WEST PALM BEACH, Florida—Ground tests of a proposed initial core upgrade package for Pratt & Whitney’s F135 Joint Strike Fighter engine have confirmed the potential for fuel reductions up to 6% and as much as 10% higher thrust, which could be available from 2020 onward. The upgrade, dubbed Growth...

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