I've have decided that there is probably a better way to do this. Instead of driving the metal through forming rollers by friction, I think it would be better to pull it through the rollers with a winch. This intuitively seems to be a more stable process. This is going to require a purpose built machine. I have most of the components to build the machine and my goal is to have something functional by spring. I'll start on the machine around the end of this year. Also there will need to be tooling to form the ends of the siding. This will require 3 additional tools. The front ends are mirror images with about a 100 degree angle. The shape at the rear is 90 degrees.
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