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A comment on Eviation’s Alice is an all-electric, nine-person aircraft. Parent comment

Re:Eviation’s Alice is an all-electric, nine-person aircraft by Robotbeat on Wednesday December 05, 2018 @09:44PM (#18614927)
About 3.8 tons they say for the battery. They're relying on removing some excess structure from the battery.

The thing is about 60% battery by take-off weight. That's not as crazy as it sounds. A 777 is about half fuel at max fuel load.

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Re:Eviation’s Alice is an all-electric, nine-person aircraft by ams6110 on Wednesday December 05, 2018 @10:08PM (#18615027)
It burns that fuel as it flies though, reducing weight which is important for landing safely. The EV aircraft will weigh the same landing as taking off, which presents some complications.
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Re:Eviation’s Alice is an all-electric, nine-person aircraft by Robotbeat on Wednesday December 05, 2018 @10:43PM (#18615190)
...but those complications can be overcome. Partially because the airframe is so efficient that the landing speed should be tolerable even with a high landing mass.

Materials have improved significantly in the last few decades. There's a lot more possible now than in the past.

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