3 ms·

> if you can build batteries with the energy density of gasoline Actually significantly worse than that. A plane gets lighter the longer it flies, especially

> if you can build batteries with the energy density of gasoline Actually significantly worse than that. A plane gets lighter the longer it flies, especially at takeoff when everything is at max thrust. A battery becomes more and more dead weight the longer you fly.

bitdotdash 6y ago
I wonder if this could be solved for with detachable take-off booster. Gets you up in the air, then returns to the airport.
- ginko 6y ago
  Couldn't you just start with a cable that detaches and is pulled back to the landing strip?
  - noodlesoups 6y ago
    Just make sure it detaches properly, you don't wanta a dozen wire to yank you in mid ascend
  - mPReDiToR 6y ago
    A "third rail" along the runway and a dodgem/Scalextric type conductor springs to mind.