Vertical-axis wind turbines

Wind Turbines VAWTs and HAWTs When you talk about modern wind turbines, you're looking at two primary designs: horizontal-axis and vertical-axis. Vertical-axis wind turbines (VAWTs) are pretty rare. The only one currently in commercial production is the Darrieus turbine, which looks kind of like an egg beater. Wind Turbines VAWTs and HAWTs In [...]