Blade design and engineering is one of the most complicated and important aspects of wind turbine technology.
Today engineers are trying to design blades that extract as much energy from the wind as possible throughout a range of wind speeds. Plus these blades need to be durable, quiet and cheap.
Blade Design (PDF) - 1 MB
AWEA : Projects - The American Wind Energy Association has a great deal of interesting information on wind energy. But this page will tell you if there are any wind turbine projects in your state.
National Renewable Energy Laboratory - At this website you can get tons of really neat wind energy pictures. Do a text search for wind turbines, blades, whatever and you will get lots of images to look at and download.
KidWind : Building Windmills - We have compiled a long list of ideas for building your own wind turbine. We have complete kits and even instructions on how to do it yourself and where to find other types of kits for sale.
LM Glasfiber - This is one of the largest wind turbine blade manufactures in the world. They have a great picture archive and neat info on the testing and development of the latest blade technology. Neat site to poke around on.