Co tohle:
"A Home Power Plant - Wind Power Generator Revised
Plans for Building a Wind Power Generator in the form of a Savonius Rotor Windmill. No welding or casting required, however welding is recommended for one part.

1000 Watts Average in 20MPH Wind, your results may vary. Adaptive Design and Document by Brad Hunter - Pittsburg CA - All rights reserved. Please feel free to share this document in its entirety. Contact me directly if you like at: brad@homesopen.com

This document is intended to share the process for building a wind power generating windmill. Specifically, a Savonius rotor."


(zdroj:http://www.instructables.com/id/A-Home-Power-Plant- --Wind-Power-Generator-Revised/)