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Thread: Small windpower a scam ? Survey says SO

  1. #61

    Default DWH - Windtronics

    This is an update to an comment from last year ...... My job sometimes requires me or staff to chase down facts. As a result, base on actual physical presence (witin the last 30 days), the Windtronics manufacturing-assembly facility is located in Michigan and Ontario.

    This is no endorsement - positive or negative.

  2. #62
    Join Date
    Mar 2006
    Location
    SF Bay Area (California)
    Posts
    16,873

    Default Re: DWH - Windtronics

    Consumer Reports has a review on the Windtronics:

    ...The company claims the unit starts spinning from winds of a mere 0.5 mph—with electricity generated from only 3 mph. Traditional gearbox wind turbines, said the company, require at least 7.5-mph winds to start generating power.
    A tool on Windtronics' website had calculated we'd get 1,155 kWh per year at the 12-mph average it predicted for our area of Yonkers, New York. And the authorized installer, during his initial visit, didn't say the roof of our headquarters might generate any less, but that rating is at a height of 164 feet, not the 33 feet WindTronics requires for rooftop installations.
    In the 15 months since the turbine was installed, though, it has delivered less than 4 kWh—enough only to power a 12,000 btu window air conditioner for one afternoon. A company representative in charge of installations worldwide recently visited our offices and confirmed that our test model was correctly installed. What's more, he told us that while the WT6500 should start generating power at about 3 mph, the initial juice goes just to power the system's inverter, which must be running before it supplies any AC power elsewhere. The true wind speed needed to start producing AC while the inverter is on is 6 mph, not far from the 7.5 mph needed by a traditional gearbox wind turbine.
    ...
    -Bill
    20x BP 4175B panels (replacement) + Xantrex GT 3.3 inverter for 3kW Grid Tied system + Honda eu2000i Inverter/Generator for emergency backup.

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