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Rolls-Royce Launches Flight Testing of Pearl 10X Engine 

The company's newest business aviation engine will power Dassault's Falcon 10X.

Rolls-Royce 747
Rolls-Royce’s Boeing 747-200 flying test bed [Credit: Rolls-Royce]
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Key Takeaways:

  • Rolls-Royce has initiated the flight testing campaign for its new Pearl 10X business aviation engine.
  • The Pearl 10X is specifically designed to power Dassault's upcoming Falcon 10X ultralong-range flagship aircraft.
  • Testing is being conducted on a Boeing 747-200 flying test bed, evaluating engine performance, handling, in-flight relights, and anti-icing systems at various speeds and altitudes.
  • The Pearl 10X engine previously completed successful ground tests using 100 percent sustainable aviation fuel (SAF).
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Rolls-Royce has launched a testing campaign for its newest business aviation engine—the Pearl 10X—marking the powerplant’s first flight, the manufacturer said Wednesday.

The Pearl 10X has been selected by French aircraft manufacturer Dassault for its new Falcon 10X, the company’s ultralong-range flagship.

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