Drag-type Vertical axis wind turbine, such as the Savonius rotor, typically operate at lower tipspeed ratios than lift-based Vertical axis wind turbine such as Darrieus rotors and cycloturbines.
Model:500W Vertical Axis Wind Turbines
Model:1000W Vertical Axis Wind Turbine
Model:2000W Vertical Axis Wind Turbine
Model:3000W Vertical Axis Wind Turbine
Model:5000W Vertical Axis Wind Turbine