Ключевые слова: alternative energy, betzs law, blade, blades, blur, electric, electric energy, energy, energy conservation, free energy, generator, green power, hawt towered, kinetic conversion, modern hawt design, motion, motion blur, renewable energy, rotor, servomotor, sky, tall, tower, upwind, wind, wind farm, wind turbines, windmill, windpowered, windpump,