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Hello, I was wondering if anyone knows if the same concept used in wind turbines to generate electricity could be applied to the rotors on a drone?
So you wanna put the drone on a pole and charge your mobile phone with it on a windy day?
You can't charge battery whilst in flight from the power of the blades rotating. You loose power from everything in the drone. These are not 100% efficient. This idea, and I'm sure people will agree with me, is totally nonsensical.
What made you think of this question ? It's probably one of the most bizarre question I've seen here.
You would need frictionless bearings and very high rpm as proven a while back in an experiment 'elsewhere' to get any appreciable gain. There are flexible solar calls that could possibly be applied to the frame but the surface area would not be enough for a noticeable gain.