User:Chovesh/sandbox/EGTS

EGTS (Electric Green Taxiing System) is a ground propulsion system that uses a Honeywell supplied Auxiliary Power Unit (APU) generator to power electric motors on the main wheels to allow aircraft to push back without a tug and then taxi without requiring the use of the main aircraft engines.

Operational Impact
As an Electric Taxi system (E-taxi) the following operational impacts and changes are expected:
 * 1) Reduces fuel usage / emissions
 * 2) Eliminates Foreign object damage (FOD) from tarmac areas
 * 3) Reduces foreign object damage from some jetway area debris
 * 4) Eliminates the Jet blast hazard and noise around the gate area
 * 5) Eliminates the pushback tug (and associated delays)
 * 6) Eliminates engine warm-up/cooldown delays at the gate

EGTS Design
One wheel on each main gear is equipped with an electric motor, reduction gearbox and clutch assembly to drive the aircraft, while unique power electronics and system controllers give pilots total control of the aircraft’s speed and direction during taxi operations.

History
Honeywell and Safran create a joint venture to launch new green aircraft “Taxiing System" on June 19, 2011. Honeywell and Safran demonstrate EGTS at Paris Air Show in June of 2013. Airbus signs a MOU with Honeywell and Safran to develop electric taxiing solution for A320 Family in December 18 2013. http://www.greentaxiing.com/media.html http://www.airbus.com/newsevents/news-events-single/detail/airbus-signs-mou-with-honeywell-and-safran-to-develop-electric-taxiing-solution-for-the-a320-family/