Title text:
“How does the spring not run out almost immediately?” “We pull it back REALLY far.”
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3244/
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I can’t remember which car but an early hybrid vehicle did charge up a flywheel instead of an electric battery…
Put another pullback motor in but backwards and you’ve got yourself infinite energy
Put a big wind-up key on the back for when it runs out.
i’ve seen people do that with vw beetles. it’s cute.
Exactly what I’m looking for, I live on a mountain and work in the valley.
Sounds like a gravity battery.
So you reverse the car to work and then coast your way home on spring power? I guess you’d have to go the long way into work.
