GE has has started testing demonstration core of the GE9X high bypass turbofan that is being developed to power the Boeing 777X widebo...
GE has has started testing demonstration core of the GE9X high bypass turbofan that is being developed to power the Boeing 777X widebody jetliner.
The core test involves all the key hot section modules -the high pressure compressor (HPC), combustor and high pressure turbine (HPT) working together as a complete system.
During initial testing at GE Aviation’s altitude facility in Evendale, Ohio, the demonstration core successfully operated at maximum or redline speeds over the entire GE9X flight envelope and exceeded the engine’s compressor pressure ratio 27:1, which is the highest pressure ratio of any commercial engine in aviation service.
All results are within design limits and predictions. During the next phase of testing, the demonstrator core will undergo tests on aero optimization and combustor operability.
The core testing follow a series of maturation tests that GE has conducted on various engine systems, including the fan, HPC, combustor and low pressure turbine.
The core testing follow a series of maturation tests that GE has conducted on various engine systems, including the fan, HPC, combustor and low pressure turbine.
GE and its partners will spend more than $1 billion on technology maturation and product development for the 100,000-lb. thrust class GE9X engine this year. The culmination of the technology maturation program will be the first engine to test in the first half of 2016.
After the first GE9X engine test next year, the engine is set for flight-testing on GE’s flying testbed in 2017. Engine certification is scheduled for 2018.
After the first GE9X engine test next year, the engine is set for flight-testing on GE’s flying testbed in 2017. Engine certification is scheduled for 2018.
Almost 700 GE9X engines have been ordered by customers since it was launched on the Boeing 777X aircraft and will enter service in 2020.
