Three blade wind turbines run smoother and tend to last longer because the blades are creating a balanced gyroscope, air planes don't have the same issue's as wind turbines because they are not pivoting on a tower.
The-mrea.org offers a wind turbine design class that is more about why things are done the way they are done instead of how to do it your self, they also offer a class on building your own wind turbine, but I've taken the wind design class along with a few of their other classes and feel that they are all well worth the time.
Last edited by Ryland; 10-29-10 at 11:11 PM..
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