In urban areas the wind is very turbulent and unstable with fast changes in direction andvelocity. In these environments. the use of small vertical axis wind turbines (VAWT) becomesincreasingly attractive due to several advantages over horizontal axis wind turbines (HAWT). However. https://www.roneverhart.com/Kakkurengas-saadettava-rst-19x28-34x54-cm/