The Rolls-Royce Pearl 10X Engine Reaches Its 10th Test Flight On A Boeing 747 Testbed

This week, Rolls-Royce announced that its Pearl 10X engine had successfully completed its tenth test flight. The engine reached double-digit flights while installed on the Rolls-Royce Boeing 747 testbed aircraft. Rolls-Royce has been testing the new Pearl 10X engine on flights beginning in late March.