Quiet Revolution Ltd has revolutionized the windmill with their new QuietRevolution wind turbine, the QR5. Not only is it one of the most visually appealing wind turbines available on the market, its small scale allows it to fit seamlessly into an urban environment, providing a renewable energy resource in places where space constraints previously made it impossible to hook up green power systems. The genius of the QuietRevolution’s QR5 is its VAWT design, aka Vertical Axis Wind Turbine.
The VAWT enables the QR5 to gather power from the winds near around buildings that are constantly changing directions. It is also quieter than your typical wind turbine because the tip speed is slower, due to the triple-helix design, which in turn allows it to be situated closer to buildings and on towers.
Exactly how big is the QuietRevolution Turbine you ask? Currently in production, the QR5 is 5m high and 3.1m in diameter. Two more sizes are currently being developed, the OR2.5 (2.5m x 2.5m) and the QR12 (12m x 6m). The QR5 is currently priced at £25,000, which includes the purchase of the wind turbine, integrated control electronics, peak power tracking, auto shutdown and generator. Depending on placement and wind speeds, the QR5 will pay for itself within 15 years or less.
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