What shape propeller with a large surface are, would be best propelled from the wind from behind and from the side as well as the front while facing the sun?
I am thinking a pinwheel, but maybe there is a better design?
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1$\begingroup$ A vertical axis with something like a barrel with blades. $\endgroup$– blacksmith37Aug 25, 2020 at 18:51
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$\begingroup$ Check out Savonius rotor designs. In fact some are shown in the answer... $\endgroup$– Solar MikeAug 25, 2020 at 19:05
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$\begingroup$ This looks like a 'Naive design' question. Such questions are excessively broad and are therefore not a good fit for our format. See if you can edit your question to make it specific and answerable. $\endgroup$– Wasabi ♦Aug 26, 2020 at 1:22
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1 Answer
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You are looking for a “vertical axis wind turbine”.
See below for some design examples:
answered Aug 25, 2020 at 18:57