> The "monthly output" depends entirely upon your wind speeds. Get
 > some average wind speed data, look at the machine's power curves and
 > you could make a seat-of-the-pants guess at the monthly output.
One thing to remember with wind power is that the output of a wind generator 
rises as the CUBE of the wind speed. There is a huge difference in the 
potential energy of 10 and 12 MPH winds. This is why they recommend using 
TALL towers in most installations; you get a lot more wind at higher 
elevations. I'm sure you saw that article in HP Mag a while back where they 
easily cost-justified 100 foot-tall towers.
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