Rolls-Royce has announced the successful completion of the first phase of testing for its UltraFan demonstrator engine at its facility in Derby, UK. The UltraFan project represents a significant step in the development of more efficient and sustainable aircraft propulsion technologies.

The tests, conducted using 100% Sustainable Aviation Fuel (SAF), focused on validating the engine’s performance and efficiency targets. According to Rolls-Royce, the UltraFan demonstrator achieved expected thrust levels and demonstrated key advances in fuel burn reduction.

This development is part of Rolls-Royce’s ongoing efforts to support the aviation industry’s transition to net zero carbon emissions. The company plans to use the data from these tests to inform future engine designs for both narrowbody and widebody aircraft.