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Old 10-31-10, 04:56 PM   #13
Ryland
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Join Date: Mar 2009
Location: Western Wisconsin.
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Quote:
Originally Posted by Patrick View Post

I read about Bergey wind turbines using "pultruded" fiberglass blades that were the same chord the whole length and had no twist. They claim that they perform well.
Bergey also has issues with those blades causing noise and vibration but feel that the low cost makes them perform/sell well.
Whisper used to use two blades but most of those machines shook them selves appart and went flying off their towers.
Simple Wind Turbine Blades is a rather good blade design, these machines tend to work and hold up pretty well.
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