BWC XL.1 BWC XL.1 New Technology Throughout 8.2 ft. Rotor Diameter Excellent Low Wind Performance (DC-DC Boost Circuit) First 1 kW Class Turbine with 5 Year Warranty Built in China Specifications Power Curve Rotor Diameter: 8.2 ft (2.5 m) Rotor Area: 53 ft2 (4.9 m2) Rated Power: 1,000 W Peak Power: ~1,400 W Rated Wind Speed: 24.6 mph (11 m/s) Rated Rotor Speed: 490 RPM Start-up Wind Speed: 6.7 mph (3 m/s) Cut-in Wind Speed: 5.6 mph (2.5 m/s) Furling Wind Speed: 29 mph (13 m/s) Cut-out Wind Speed: None Max. Design Wind Speed: 120 mph (54 m/s) Net Weight: 75 lbs (34 kgs) Shipping Weight: 95 lbs (43 kgs) 24 VDC PowerCenter Multi-Function Micro-processor Based Controller: PowerCenter Boost Circuit to Optimize Low Wind Speed Performance 30A Solar Controller Built-in Battery Equalization Function; Protected Slow Mode Low Noise Dump Load Capable, 60A Simple System and Battery Status Indicator Lights, Wattmeter Function Brake Button First Micro-Processor Based Small Turbine Controller 48 VDC MidNite Solar Classic New 48 VDC version of XL.1 in beta tests 3-Phase down the tower Rectifier/Breaker box Midnite Solar Classic MPPT controller