Check this out
This is my roommate’s father’s best friend. He’s been making these wind turbines for years now, and the video is pretty cool and hits a solid 7 on the unintentional comedy scale, but what’s really interesting are his designs for off-shore wind mills. His turbines are especially efficient, because they combine multiple rotors, increasing the energy that is reaped from the wind, which is many parts of the world, is fairly constant just off-shore.
The website is worth checking out as well, at the least, for it’s incredibly dated design.
www.selsam.com
Also, here is a CNN article examining the effectiveness of small-scale wind production:
http://www.cnn.com/2008/TECH/science/09/18/micro.turbine/index.html
