Above shows the major parts of the drive shaft - the 24 inch PVC 3 inch diameter pipe on the left, the 3/4 inch drive shaft, the three mdf wheels cut out in Figure 1, a 2.5 inch pulley to fit the shaft, and two pillow blocks with 3/4 inch bearings in them. The shaft, bearings, and pulleys I got from a farm supply store. Since I was using inexpensive steel rod, instead of precision drill rod, I found that the shaft ends needed to be turned down a hair to get them into the bearings. The 3/8 torque rods are in place, but not epoxied yet.
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