DescriptionSavonius-rotor de.svg Savonius rotor (german version) Date 16 February 2008 Source Own work Author Ugo14 Other versions English Version French...
This image is a derivative work of the following images: Image:Savonius-rotor_de.svg licensed with Cc-by-sa-3.0, GFDL 2008-02-16T15:22:26Z Ugo14 1100x1000...