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by gardenfelder
1773 days ago
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That concept as a wind energy system was called a Darrius Rotor. The same blade angle concept allows the blades to adjust to wind directions. Darrius Rotors have been built with fixed symmetrical blades; I built one with blades cambered according to the radius of the rotor arms. They all work pretty well. Darrius Rotors became famous with the "egg beater" design - https://en.wikipedia.org/wiki/Darrieus_wind_turbine |
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