Preliminary Design Set For F-35 Engine Upgrade

F135

Credit: Andrew Harker / Alamy Stock Photo
A longevity, thrust and fuel efficiency upgrade for the Lockheed Martin F-35 has passed a preliminary design review (PDR) milestone, Pratt & Whitney says. The announcement was made July 15. The F135 Engine Core Upgrade (ECU) updates the propulsion system for all F-35 variants to cope with the...
Steve Trimble

Steve covers military aviation, missiles and space for the Aviation Week Network, based in Washington DC.

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