Keywords: HAWT and VAWTs in operation large.gif View full size image to animate en The three primary types of wind turbine--Savonius and Darrieus vertical axis wind turbines VAWTs and a standard horizontal axis wind turbine HAWTs --all with three blades are spinning as if they are in operation in real wind They are spinning at the same speed mathematically ; 30 rpm own User jakeno daniel 2010-08-26 Medium dimensions Small dimensions Created with the symbolic geometry program Geometry Expressions Wind turbines Vertical-axis wind turbines Animated GIF Animations of machinery |