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Hub for 2-blade H-Rotor VAWT Darrieus

Image of Hub for 2-blade H-Rotor VAWT Darrieus

ONE (1!) Brand new Darrieus Vertical Axis Wind Turbine Hub.
This hub - made from stainless steel (and aluminium) - is for a 2-blade H-Rotor.
The inner hole diameter fits a 20mm diameter axis / axle.