JSF Engine Contenders Pass Test Milestones

By Guy Norris, Graham Warwick
Los Angeles, Washington DC

Pratt & Whitney is poised to complete final service-release tests of the F135 Joint Strike Fighter Stovl (short-takeoff-and-vertical-landing) propulsion system, while the competing General Electric/Rolls-Royce F136 team says plans for first flight remain on track despite last month’s fan incident.

Pratt started the final set of ground tests of the Stovl ...

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