F-35 Engine Upgrade Gathers Pace

Credit: Pratt & Whitney
As Pratt & Whitney nears completion of the extensive F135 system development and demonstration (SDD) program for the F-35 Joint Strike Fighter engine, the company is revealing new details of a proposed upgrade that could cut fuel burn by as much as 7% on aircraft entering service by the early 2020s...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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