Abstract: A wind motor includes three vanes mounted to rotate about a vertically oriented main shaft, and the three vanes are also mounted to rotate about individual axes which are equidistant from the main shaft and extend parallel to it. Through the use of cranks connected to each vane, and a simple triangular linkage interconnecting the cranks, the three vanes rotate together so that, as the wind impinges on the system, all three vanes cooperate to aid in rotation of the assembly around the main shaft. A collapsible unit includes arrangements for unfolding the vanes as the main shaft is raised into operating position. The wind motor is preferably located in an area where winds are funnelled at relatively high velocity to impinge on the wind motor. The vanes of the wind motor are oriented by a cog belt or a sliding rod, for optimum angular orientation with the wind, and arrangements are provided for holding the vane control assembly in this optimum orientation.