Pratt & Whitney has released that the F135 engine, which powers the fifth generation F-35 Lightning II, has successfully demonstrated full-life capability of its cold section (components consisting of the fan and compressor) during accelerated mission testing (AMT) at the Arnold Engineering Development Complex, located on Arnold Air Force Base in Tullahoma, Tenn. This achievement of 9,400 total accumulated cycles (TAC) – the equivalent of approximately fourteen years of operation or approximately 2,000 F-35 missions – was completed while running the engine at extreme conditions to simulate operational engines. AMT is conducted as a means of testing and validating reliability and maintainability performance for the engine over the span of its life. It also helps identify any potential issues well before they would be encountered by the operational fleet. Made possible by the U.S. Air Force Component Improvement Program, this test was focused on the Conventional Takeoff and Landing (CTOL) engine variant which powers both the F-35A and F-35C models. Testing took place between August 2014 and October 2017, and consisted of two hot section intervals, which is equivalent to the cold section life. During AMT, F135 engines accumulate equivalent flight hours under monitored conditions and at a faster rate than in operating aircraft. The advanced data collection from this program identifies improvement opportunities aimed at maximizing readiness within the life cycle cost expectations for the entire F135 CTOL powered F-35 fleet.
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Mailing Address
AviTrader Publications Corp.
Suite 305, South Tower
5811 Cooney Road
Richmond, BC V6X 3M1
Canada