A wind sail receptor for turning in a wind or water flow to operate a power generator that includes from six to ten identical, equal spaced blades, that are formed from two flat sections of a stiff material and are arranged between a rear hub and spaced apart forward disk and fitted to a center axle that is journaled through a frame. The two sections are each formed into from three to five blades by removing portions therefrom, with the formed blades bent to curve from the rear hub to a blade side end that is coupled to the forward disk.