Quote:
Originally Posted by meescha
well i was doing a tiny bit of research and using a turbine calculator that ormston posted, with 7 meter rotar diameter, and a 75 percent efficient generator, with a wind of 2 mph id have 12 kw of power, at 4 mph its 101kw, considering annual wind speed of fairbanks is only 4 mph, i could still do wind energy just have to up the diameter of the rotar
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Your numbers are off by a factor of well over 1000!
At 2mph the betz limit (maximum possible energy with a perfect generator and rotor) is 10w for a 7M turbine.
Looking at the average wind speed it's just not going to work.
Ormston