Check out this incredibly cool scheme for power generation – an air rotor. Imagine a helium balloon the size of a large pickup truck and shaped something like a ridged watermelon, tethered in your backyard. The wind causes the balloon to rotate, which generates power that’s brought down to the ground via the tether. Aside from your neighbors maybe not digging the giant balloon in your yard, this seems like the coolest power generation scheme ever. Couple this with an air car and you’re living in that jetson’s future you always dreamed of.
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Dave's Place/Metamusing 
Neat concept. A take off of the WWII barrage balloons it looks like.
I would be interested to see the feedback they get. The small one is only $2k. Of course you would have to have property like my mom to deploy such a thing I would think.
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Actually your mom would be a perfect candidate, the thing would pay for itself in a couple of years, maybe even less. It would depend on the maintenance costs though, which it’s too soon to know much about.
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