Pratt & Whitney validates F135 fuel efficiency as part of pitch to upgrade JSF engine

By Courtney Albon Lee Hudson / May 31, 2017 at 4:06 PM
WEST PALM BEACH, FL -- Pratt & Whitney has completed fuel performance testing of the F-35 Joint Strike Fighter engine -- the first step in a slate of iterative technology upgrades that could significantly improve engine efficiency and performance, the company said this week. The five-week, Navy-funded Fuel Burn Reduction testing verified the F135 engine upgrade can provide a 5 percent to 6 percent fuel burn improvement and a 6 percent to 10 percent thrust increase for all three F-35...

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