This project was the result of a grant from Sustainable Agriculture Research and Education Projects (SARE). SARE Project number ONC21-093. The final project report, including detailed information can be found at projects.sare.....
Great build but you should have placed a disc in the center of the tube on the axle for support of the axle inside of the tube. In other words three disc per axle. One in the middle and one on each end.
