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Abstract

A rotatable solar tower with an airfoil structure is described. Solar panels are stacked vertically to create the skin of an airfoil. By installing the airfoil vertically so that its longitudinal axis is perpendicular to the ground and allowing the airfoil to rotate freely 360 degrees into the wind, the horizontal forces on the airfoil from the wind are significantly reduced compared to a round cylinder with the same diameter. This allows the airfoil structure to be lightweight in design while spanning several hundred feet in height and producing several hundred kilowatts of electrical power on a small footprint of land. The solar panels may have 3-axes of rotation, i.e., rotation of the tower about the base, horizontal extension of the solar frame assemblies and vertical extension of the solar panels. Wind turbines may also be provided in or on the tower.

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First Claim