Airbus E-Fan and E-Thrust propulsion system
Two-seater electric demonstrator prototype, Airbus E-Fan at Paris Airshow. Lithium batteries power two-nacelled 60 kw electric motors. They have an hour of flight time but recharges in an hour. The composite frame has a T-tail and an inline tandem landing gear with outrigger support wheels. Those wheels are also powered so it could be taxied without the fans pushing it. This arrangement assists in takeoff as well. Airbus has plans for a four-seat variant with a kerosene-powered extender generator. There are also ambitious plans for an electric hybrid regional plane!
https://www.youtube.com/watch?v=d02DjslJgIQ E Thrust Electric Aircraft propulsion system concept - Video Dailymotion |
Not a vehicle to have a fuse "blow" between the battery and motor(s).
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Taking 'range anxiety' to new heights. :D
Pretty cool though :thumbup: |
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The APU can generate a lot of electrical power and could drive an air craft along the ground. It comes down to if its worth adding the weight of those motors. It may be more economical to just use the main engines or a tug to drag the air craft to the EOR. |
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https://www.youtube.com/watch?v=OXTlE9-Tey0 Two Small Planes Lose Fuel, Land in Ocean Off Hawaii Hours Apart - NBC News |
Commercial viability for an all-electric commercial aircraft is still kinda far, but a hybrid one seems viable.
Anyway, even in Brazil there is at least one 2-seater electric aircraft on tests, but what bothers me is that its engine is made in Slovenia while one of the world's most important electric motor manufacturers is Weg, headquartered in Jaraguá do Sul, Santa Catarina state. South America's First Electric Airplane Takes Flight - AVweb flash Article A carbon fiber-made electric aircraft - SORA-e: A carbon fiber-made electric powered aircraft | The Economic Times It had, however, a landing gear failure (well, I'd rather use a taildragger instead of the tricycle landing gear if I were going to attempt a similar project) https://www.youtube.com/watch?v=-D5VcnU9X7M |
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Turbojets idle very inefficiently, so jetliners can save a lot of fuel if they can use an electric drive wheel powered by the APU to push back from the terminal and to taxi out to the runway, only starting their turbofans once they get close to the end of the taxiway prior to takeoff. This is especially true if the airport if busy and they are having to sit in line on the taxiway with a bunch of other jetliners waiting for their turn to takeoff.
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And now that some airports are pushing stricter emission regulations on their premises, electric-driven landing gear might become widespread. In a similar way to what happens to hybrid cars which get their best mileage in city traffic, such "hybrid" aircraft would be especially attractive for regional airliners.
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