electric propulsion for commercial aircraft partially powered by electricity in 2020.
The E-Fan X project will be based on a modified commercial, 100-seater, BAe 146 regional aircraft. The trio believes, it could lay the groundwork for commercial flights with the same electric technology as early as 2025.
The companies will start by using a 2 mw electric motor as one of the aircraft's four engines. This flight demonstrator, a commuter jet, will see one of the engines replaced by an electric motor driven by an integrated turbine-generator in the fuselage in a serial hybrid architecture. If tests are successful, a second fuel-driven engine could be swapped out for an electric motor. Airbus has picked 2 mw because it sees this is at the upper limit of what's attainable with more-or-less conventional power distribution technology without having to master superconductivity or other exotic approaches.
This demonstrator should eliminate some of the integration risks associated with a serial hybrid architecture at this scale. Integration risks such as thermal management, electromagnetic interference, arcing, partial discharge, and radiation effects on high-power electrical systems at operating altitude. The ultimate goal is to enable a hybrid electric propul-
E-FAN X 2020
AIRBUS
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