Types of vertical axis wind turbines with rotation principle outline diagram. Labeled educational list with hawt, h-rotor, savonius and darrieus models vector illustration. Power production generator Stock Vector | Adobe Stock
Whirlgigs and Spinners | Savonius wind turbine, Wind power diy, Wind power
Making a simple Savonius wind turbine
How to Make a Very Simple Savonius Wind Turbine : 8 Steps (with Pictures) - Instructables
Savonius wind turbine - Wikipedia
The Creative Science Centre - by Dr Jonathan P. Hare