... -8m/sRotor diameter2.5mBlade materialFRPSwept area8m2 Start-up wind speed3m/s Work wind speed3-24m/sRotation speed160r/minNumber of blades7Turbine weight127kg ... life20-25 yearsProduct Description:Our 3,000 watt vertical wind turbine can supply power for small gas stations, small toll stations, charging ... air conditioner, washing machines, TV, lighting, etc. Renewable Energy Vertical Axis Wind Turbine