Engines
Rolls-Royce's Pearl 10X Engine Takes Flight
The engine, the third in Rolls-Royce's Pearl line, will power the Dassault Falcon 10X
Pearl 10X on Rolls-Royce 747 flying testbed
Rolls-Royce conducted flight trials of its Pearl 10X on the company's 747-200 flying testbed in Tucson, Arizona.

Rolls-Royce has begun flight testing its Pearl 10X turbofan that will power Dassault’s ultra-long-range Falcon 10X, the engine manufacturer announced this morning.

The third in Rolls-Royce’s Pearl program (the Pearl 15 powers the Bombardier Global 5500/6500 and the Pearl 700 is on the Gulfstream G700/G800), the 18,000-pound-thrust engine for Dassault's flagship airplane is being flown on Rolls-Royce’s Boeing 747-200 testbed in Tucson, Arizona. According to Rolls, the engine will undergo performance and handling checks at a range of speeds and altitudes, inflight relights, trials of the nacelle’s anti-icing system, and fan vibration assessments.

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