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        Policy UpdatesNewsroomReoptimizationBIOGRAPHIESAF Senior Leaders      The TF33 Pratt & Whitney engine undergoes testing in an AEDC sea level test cell, to verify and validate newly redesigned components of the engine. The TF33 has powered several different military airframes, including the Boeing KC-135 Stratotanker, E-3 Sentry Airborne Warning and Control System and the E-8 Joint Surveillance Target Attack Radar System. (U.S. Air Force photo/Rick Goodfriend)Newly redesigned TF33 engine tested at Arnold AFB
                        
                        
                        A TF33 Pratt and Whitney engine undergoes testing in an Arnold Engineering Development Center in Tennessee to verify and validate newly redesigned components of the engine. The TF33 has powered several different military airframes, including the KC-135 Stratotanker, E-3 Sentry (AWACS) and the E-8 Joint STARS. (U.S. Air Force photo/Rick Goodfriend)
                
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        AEDC engineer Tyler Holes assists in preparing for testing of the TF33 Pratt & Whitney engine in one of the AEDC sea level test cells. Testing is being conducted at AEDC to verify and validate newly redesigned components of the TF33 engine. (U.S. Air Force photo/Rick Goodfriend)Newly redesigned TF33 engine tested at Arnold AFB
                        
                        
                        Tyler Holes, an Arnold Engineering Development Center engineer, assists in preparing for testing of the TF33 Pratt and Whitney engine in one of the AEDC sea level test cells in Tennessee. Testing is being conducted at AEDC to verify and validate newly redesigned components of the TF33 engine. (U.S. Air Force photo/Rick Goodfriend)
                
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Newly redesigned TF33 engine tested at Arnold AFBPublished Dec. 5, 2016
                    
                    By Deidre Ortiz
                    
                    
                    Arnold Engineering Development Center Public Affairs
            **ARNOLD AIR FORCE BASE, Tenn. (AFNS) --**Testing of the TF33 Pratt and Whitney engine is being conducted at Arnold Engineering Development Center to verify and validate newly redesigned components of the engine.The TF33 has powered several different military airframes, including the Boeing KC-135 Stratotanker, E-3 Sentry (AWACS) and the E-8 Joint STARS. Second Lt. Karlie Madden, the AEDC project manager for the test, stated that the engine currently being tested is a 17,000-pound thrust variant used aboard the B-52H Stratofortress airframe. “The testing at AEDC is to verify and validate the structural integrity and durability of a redesigned inlet case and turbine exhaust case,” she said. “The test also includes accelerated mission testing which simulates approximately one-half of an overhaul cycle of testing on the engine, running approximately 690 sea-level operating hours. Multiple performance calibrations have been performed to determine if there are any new performance standards that stem from the redesigned components.”The testing took place in one of the AEDC Engine Test Facility sea level test cells during the summer and wrapped up in November. The test was requested by the TF33 Systems Program Office of the Air Force Life Cycle Management Center Propulsion Directorate (AFLCMC/LPS) at Tinker Air Force Base, Oklahoma.Though tested at AEDC before, it was the first installation of the TF33 in this sea level test cell.The last TF33 test was conducted in the ETF C-2 test cell in 1995, during which AEDC characterized cold weather starting techniques between JP4 and JP8 jet fuel.Of the most recent test, James Burt, a TF33 equipment specialist with the AFLCMC/LPS, commented that working with AEDC on the TF33 accelerated mission testing proved to be an “outstanding experience.” “We have had no engine issues and all test cell issues were worked and resolved very quickly with little to no test down time,” he said. “This has resulted in the smoothest TF33 AMT test to date and allowed the test to complete ahead of schedule.”Testing was also completed early and 55 successful air periods were performed in 61 days, making the project successful both technically and financially.AFMC 



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