... Turbine system includes Turbine Head,yaw body,blade,tail system,Controller and Tower kits. Blue-Sky 1000W Wind Turbine system includes ... Turbine Head,yaw body,blade,tail system,Controller and Tower kits. Turbine Head and Yaw body is all ... overhaul maintenance schedule is required during the life of the generator ,Ideal for Marine and severe climate uses. Blades are made of ...