The Whisper 500 is a 3000 watt rated turbine that will deliver in excess of 500 kWh per month in a 12 mph wind. This machine has a 14 foot, 2 blade rotor providing 500 sq. ft. of swept area. It features a handmade fiberglass and foam core blade for smooth, high efficiency operation and low wind start-up. It also incorporates the patented angle governor design for quiet operation in high winds. The 500 is an excellent machine for village power projects, farms, ranches, backup power and remote homes with large energy demands. The Whisper 500 comes in two boxes and is shipped truck freight. The Whisper 500 is available in 24-volt and 48-volt versions.