Saturday, July 12, 2014

The best vertical axis wind turbine VAWT with hollow airfoil blades self stating at low wind

The present invention includes a power generator; a vertical shaft; a shaft bearing; a housing unit; a rotor; a spur gear type blade; supports; cylindrical supports; a gearshift; and a fixing...

http://bit.ly/1j1KFpX - Learn how to drastically reduce your energy usage here.

No comments:

Post a Comment