Hopefully they will not suffer the same fate as other vertical axis turbines which took off and blew away. #gyroscope
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I remember building something similar as a kid to scare the birds. There's a lot of lateral force on the bearings so you need to design that in or it won't rotate.
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taking an old idea, and making it less efficient,and painting it god awful colour ,well done now try some real physics for a change "should be taken with a large dose of snake-oil "
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Electroneum
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