I’ve checked out a lot of sites on DIY homemade wind turbine / wind generator. I’ve narrowed it down to the top 5 based on the completeness of information, and how detailed it is. On top is what I considered the best one because it is composed of 3 videos on how to make your own wind turbine. A video of how to do it is simple the best instructional material for homemade wind turbine.
1.  Detailed  Video Instruction on how to make your own wind turbine
Part 1

Part 2

Part 3