Vertical Axis Helix Wind Turbine ( Drag Type ) VAWT

Vertical Axis Helix Wind Turbine ( Drag Type ) VAWT

Vertical Axis Helix Wind Turbine ( Drag Type ) VAWT

Vertical Axis Helix Wind Turbine Drag type VAWT made by Windside in Finlandbr br

User: tsport100

Views: 433

Uploaded: 2014-03-01

Duration: 00:15

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