- News
- May 19, 2024
- 3 min read
Rolls-Royce Pearl 10X Takes Flight
Flight testing has begun for the third engine in Rolls-Royce’s Pearl family, which will power the Dassault Falcon 10X.
Rolls-Royce has begun flight testing its Pearl 10X engine, which will be used in Dassault’s ultra-long-range Falcon 10X aircraft. The third engine in the Rolls-Royce Pearl program—the Pearl 15 powers the Bombardier Global 5500/6500, while the Pearl 700 powers the Gulfstream G700/G800—the 18,000-pound-thrust engine for Dassault’s flagship aircraft will undergo performance and handling checks at various speeds and altitudes, in-flight relight tests, anti-icing system tests and fan vibration assessments.
For these tasks, the testbed is fitted with five engines, including the Pearl, a Trent 1000 and three RB211s. Equipped with test instrumentation, the aircraft can collect up to 20 GB of performance data per day. Flight testing began after the program accumulated more than 2,300 hours of testing, covering both the core Advance2 demonstrator and the Pearl 10X engine configuration. The Pearl 10X is equipped with the Rolls-Royce Advance2 engine.
Ground testing included the ultra-low-emissions ALM combustor, which Rolls-Royce says is compatible with 100% sustainable aviation fuel, as well as a new accessory gearbox that provides greater additional power extraction. Rolls-Royce noted that the Pearl 10X—the most powerful business aviation engine in its portfolio—exceeded its target thrust levels during its first test run.
“All the tests completed to date confirm the engine’s reliability and show that it will meet the performance requirements of the flagship Dassault Falcon 10X,” said Philipp Zeller, Rolls-Royce senior vice president for Dassault business aviation.
The Pearl 10X will deliver a 5% improvement in efficiency and lower noise levels compared with Rolls-Royce BR700-series business aviation engines.
The Falcon 10X is expected to be assembled this year, with entry into service scheduled for 2027, two years behind the original timetable.
Rolls-Royce has begun flight testing its Pearl 10X engine, which will be used in Dassault’s ultra-long-range Falcon 10X aircraft. The third engine in the Rolls-Royce Pearl program—the Pearl 15 powers the Bombardier Global 5500/6500, while the Pearl 700 powers the Gulfstream G700/G800—the 18,000-pound-thrust engine for Dassault’s flagship aircraft will undergo performance and handling checks at various speeds and altitudes, in-flight relight tests, anti-icing system tests and fan vibration assessments.
For these tasks, the testbed is fitted with five engines, including the Pearl, a Trent 1000 and three RB211s. Equipped with test instrumentation, the aircraft can collect up to 20 GB of performance data per day. Flight testing began after the program accumulated more than 2,300 hours of testing, covering both the core Advance2 demonstrator and the Pearl 10X engine configuration. The Pearl 10X is equipped with the Rolls-Royce Advance2 engine.
Ground testing included the ultra-low-emissions ALM combustor, which Rolls-Royce says is compatible with 100% sustainable aviation fuel, as well as a new accessory gearbox that provides greater additional power extraction. Rolls-Royce noted that the Pearl 10X—the most powerful business aviation engine in its portfolio—exceeded its target thrust levels during its first test run.
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“All the tests completed to date confirm the engine’s reliability and show that it will meet the performance requirements of the flagship Dassault Falcon 10X,” said Philipp Zeller, Rolls-Royce senior vice president for Dassault business aviation.
The Pearl 10X will deliver a 5% improvement in efficiency and lower noise levels compared with Rolls-Royce BR700-series business aviation engines.
The Falcon 10X is expected to be assembled this year, with entry into service scheduled for 2027, two years behind the original timetable.
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