re-energy.ca Savonius – Plans to make your own Savonius wind turbine with 4 permanent magnets and 4 coils. This vertical axis type wind turbine is very simple to build, and the site includes download-and-printable templates to help you on your way.
Free Wind Generator Plans – Plans designed to enable you to build a 1000 Watt wind turbine generator for $100.
Pico Turbine Plans (PDF 907kB) – Free plans to make an 8 inch tall savonius style permanent magnet alternator and turbine. It generates a usable voltage of 2.5V which is sufficient to power an LED.