I was researching for Vertical Axis Wind Turbines as this could be a good residential alternative to the typical propeller type wind turbines.The usual propeller wind turbines are known to be bird killers because of the huge sweep area of the blades and when there is wind, the propellers move fast (just like the ones on those propeller airplanes) which birds sometimes cannot see.
Vertical Axis Wind Turbines (sometimes called VAWT) , is mounted vertically  just like what was shown on the video above.   One thing I like about vertical axis wind turbine is that the motor is positioned usually …read more