Pyramid type wind power equipment

The rotor "pyramid" are, the less resistance to wind, Can take the high speed torque. (90% drop out of the wind, the wind resistance to low) ・In the wings are covered with wire mesh, high-security wings to rotate. ・A two-stage windmill, you can put the stage, you can set up a high-efficiency generators.

Uploaded: April 27, 2010 Length: 00:01:36 Plays: 101