A turbine design by a viewer Dan Edmiston ( @danedmiston9673 ) destroys the previous record in out Vertical Axis Wind Turbine testing and takes pieces of my wind tunnel along with it.

How to submit a design for "The Turbine Challenge" (Turb Off).
   • I want YOUR turbine designs! | How to...  

3d models and Drawings:
https://www.thingiverse.com/thing:634...

Accepted File Formats:
3d: .STL or .STEP
2d Profile: .jpg/.jpeg

Submission email (subject "turboff"):
[email protected]