Keywords: HAWT and VAWTs in operation small.gif en The three primary types of wind turbine--Savonius and Darrieus vertical axis wind turbines VAWTs and a standard horizontal axis wind turbine HAWT --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 Ssgxnh 2010-08-26 Large dimensions Medium dimensions Created with the symbolic geometry program Geometry Expressions Wind turbine diagrams Vertical-axis wind turbines Animated GIF Animations of machinery |