Well direct useable 12v power that's not 3 phase like a brushless


very low rpm to achieve 12v.

expect to get between 300-700 watts depending on swept area and wind velocity.

3rd link is a diy thing

http://www.seco.cpa.state.tx.us/re_wind_maps.htm

http://www.wind-sun.com/ForumVB/forumdisplay.php?f=13

http://www.mdpub.com/Wind_Turbine/