1. fan rotor
The fan rotor is the first and very large rotor in the compressor. Its primary task is to accelerate a large mass flow of air in the bypass flow and thus provide the main thrust. The fan is driven by the low-pressure turbine via the low-pressure shaft. In the geared turbofan engine, the fan is optimized for maximum air flow.
Did you know? It’s always a special sight for the engineers when the fan blades of the Boeing 777 engine GE90 come to MTU Maintenance: these blades measure a full 1.25 meters and weigh 25 kilograms each.
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