|
|
|
|
|
|
by JoeAltmaier
4305 days ago
|
|
|
Batteries are about the least energy-per-kilo way of storing it - increasing battery energy would cost the very most in weight you could imagine (except perhaps a windup spring) Liquid fuels (gas/alcohol) are very efficient. Metal-air batteries may beat liquid fuels for ergs/kilo? |
|
|