Vertical Axis Wind Turbines
Vertical Axis Wind Turbines (VAWTs) can be both small and large. However, they are not the mainstay of the wind industry and for that reason they are assigned a category under Small Wind Turbines on this site.
There is also an extensive collection of archival and recent photographs of VAWTs and various forms of Darrieus turbines on the Photos section of this site. There you can find photos of Vertical Axis Wind Turbines.
At least several times a year, yet another announcement about a “technological breakthrough” arrives in my e-mail box. Invariably, the device being “unveiled” is a vertical axis wind turbine, and in all likelihood, it is touted as an “urban rooftop wind generator.” Included with the excited chatter is an article or two published by some local newspaper. What is it with vertical axis wind turbines that bring out the nearly-lunatic fringe, both sellers and buyers?. .