Rolls-Royce Completes Pearl 10X Engine Ground Testing
The aerospace company has finished key certification testing for the engine and begun production in Germany.
Updated on Oct. 15, 2026 in Manufacturing
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Rolls-Royce has officially completed the ground testing program for its Pearl 10X engine. The company has now moved into the production phase at its facility in Dahlewitz, Germany.
Why it matters
The completion of ground testing marks a critical milestone in certifying the engine for commercial flight operations. By utilizing advanced 3D-printed combustor tiles, the engine aims to lower nitrous oxide emissions while extending turbine blade lifespan.
The Pearl 10X engine generates more than 18,000 lb. of thrust and maintains 90% commonality with existing engines in the Pearl line. Testing has confirmed the engine surpassed 5,000 total hours of development ground time.
The players
Rolls-Royce
This British multinational company is a leading manufacturer of power systems for the aerospace and defense industries.
Dassault
This French aerospace manufacturer specializes in the design and production of military aircraft and business jets.
The details
Rolls-Royce has already delivered engines for four Dassault test aircraft to support the ongoing flight campaign. The manufacturing process utilizes 3D-printed tiles in the combustor to ensure uniform temperatures during operation.
Timeline
June 2026: The Falcon 10X flight-test campaign began.
Mid-October 2026: The Pearl 10X reached 250 total flight hours.
Market Landscape
This engine launch builds upon the operational history of the Pearl 15, which has logged 400,000 flight hours, and the Pearl 700, which has reached 160,000 hours. These developments solidify the company position against major competitors in the long-range business jet sector.
The transition to production suggests the engine is on track for future integration into private business jets. This progress influences the timeline for aircraft manufacturers who rely on these high-thrust engines to meet delivery schedules.
The takeaway
The use of 3D-printed components in engine manufacturing reflects an industry-wide push for higher durability and lower environmental impact. Readers should note that such technical milestones are key indicators of when new aircraft models will enter the market.
Further reading
For more on industry developments, see our latest coverage on Manufacturing.
Source note: This article includes information reported by Aviation Week.
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