Użytkownik Stephen Michalik napisał:

I could see a pilot throw a line out with 50 of these on/inside a
flying tube that recharges a battery in 10 or 15 minutes. Reel the
line back in and store for the next recharge. Especially when flying
wave eh?
You can't cheat the physics. This is generating electricity by
increasing drag. If required, it can be done much simpler with a
generator in vent tube.

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Wojtuś