Electrical Motors for Taxi on the Airbus?

Safran-Honeywell EGTS - Airbus A320-212As part of on-going research and development into future technology options, Airbus has signed a memorandum with EGTS International, a joint venture company between Safran and Honeywell Aerospace, to further develop and evaluate an autonomous electric pushback and taxiing solution for the A320 Family – referred to by Airbus as eTaxi. This option would allow the aircraft to push-back from the gate without a tug, taxi-out to the runway, and return to the gate after landing without operating the main engines.

eTaxi will use the aircraft’s Auxiliary Power Unit (APU) to power electric motors fitted to the main landing gear wheels. The architecture will include the ability for pilots to keep full control from the cockpit over their aircraft’s speed and direction during taxi operations. 

 

Olivier Savin, EGTS Programme Vice President, Safran said: “We are extremely pleased to strengthen our relationship with Airbus, a key customer and industry leader in innovation. Through this agreement we are creating the ideal context to collaborate to best utilize our own landing gear systems expertise to develop a green taxiing solution for the A320 Family.”

 

Daniel Baubil, Airbus EVP, Head of A320 Family Programme said: “Today Airbus delivers the world’s most eco-efficient single-aisle aircraft – the A320 Family. This is the result of our permanent research for innovative enhancements to make our aircraft even more efficient and capable.” He adds: “We therefore look forward to working with our EGTS International expert partners – Honeywell and Safran – with whom we share the common view that the A320 Family is a natural fit for an electric taxiing capability.”

The eTaxi option will offer several operational and environmental benefits for the A320 Family:

  • Per trip, the projected fuel savings and CO2 reductions would be approximately four percent;
  • It would contribute to significantly more efficient taxiing operations and save around two minutes of time on pushback;
  • Taxiing-related carbon and nitrous oxide emissions would be cut by more than half.

Over the next few months the partners will jointly develop and present a global commercial case and implementation plan to determine the feasibility of an electric taxiing solution for the A320 Family. To this end, Airbus and EGTS International are reinforcing their existing teams to finalize validation studies, define specifications and converge on market requirements for a fully tailored forward-fit and retrofit technological solution.

Capt. Ivan

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