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The largest turbine-gear aircraft engine under construction by Rolls-Royce will break the current record made by General Electric Aviation
Last Monday (06/04) the subsidiary of german group BMW, Rolls-Royce, has announced that it has begun to assemble the world's largest aircraft engine, the UltraFan engine, which combines a turbine and gears. The British aims to present the first demonstration model by the end of 2021, in which it hopes to be able to drive the reduction of polluting emissions.
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The British company begins to build the largest aeronautical engine in the world, aiming to achieve the desired sustainability in aviation in the coming decades. The current record belongs to the GE9X, manufactured by General Electric Aviation, which was created to power the Boeing 777X.
Gas turbines will remain the mainstay of long-haul aviation for years to come, and the efficiency of the UltraFan, which combines turbine and gearing, will help improve the economics of an industry transition to more sustainable fuels, which are likely to be more expensive in the short term than traditional jet fuel. The first test run of the engine will be carried out using 100% sustainable aviation fuel.
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About Rolls-Royce's world's largest aircraft engine
The first module of the project is under development in the UK. The engine will be the basis for a new family of UltraFan models, capable of powering small and large aircraft, also known as narrowbody (single aisle) and widebody (two aisle) aircraft, respectively.
According to the company, the objective is to provide a 25% improvement in efficiency in relation to fuel consumption compared to the first generation Trent engine, also developed by Rolls-Royce.
Some analysts speculate that the UltraFan, an engine that combines a turbine and gears, could be outperformed by other low-carbon technologies.
But Rolls-Royce has said that fossil fuel engines will remain the cornerstone of long-haul aviation for years to come and that the UltraFan's efficiency will help the transition to more sustainable fuels, which may be more expensive in the short term than traditional jet fuel.
Specifications of the UltraFan engine, which combines turbine and gears
- 140-inch fan (3,56 meters) and total diameter of approximately 4 meters.
- A new Advance 3 core architecture, combined with the ALECSys lean combustion system, to offer maximum fuel burning efficiency and low pollutant emissions.
- Carbon titanium fan blades and a composite housing reduce weight by up to 680 kg per aircraft.
- Advanced Ceramic Matrix Composite (CMC) components that operate most effectively at high pressure turbine temperatures.
- A geared design that provides efficient power for high thrust engines.
