A University team's well documented project

John C. Nappo documents his University project on his website (currently offline). Here's a pic of it from the wayback machine:

There are plenty more pictures of the project on that site, and a couple of videos of the rigs being tested.

John's website is down for (he's left University and now has a job), but he tells me that 

Vertical Axis Wind Turbine with Continuous Blade Angle Adjustment by Samuel Bruce Weiss (MIT, 1993) guided the effort.