Double wind turbine MK 4.0

Thanks to rosch8 for the great original wind turbine model, and thanks to Stuart800 for the Double wind turbine MK3 counter rotating.

Your models have been a great inspiration to me.

I created my own version with some changes.

Enjoy it !  

Let me know for suggestions and changes. 

Printed with Creality K1 

Infill 10% 

PLA+

For the central turbine support  I used a threaded rod M8 x 135 mm

I added two screws for the central body and edit the central body.

I modified the tip with a front opening.

I changed the length of the body on the second helix.

I modified the tail with a second screw.

I modified the shape of the central body.

I modified the spacer between the helix.

I added a new central pin for insertion on iron tube support.