Hi Bob, I have to weld two rings on top and the top one having a internal gear all round. Then I need to put the whole thing in my milling machine and cut a 3/4" grove the full distance around the top. The photos below show the first one welded and ground off and I had a prelim try at cutting gears on my plasma. I am quite happy with the result but I need to make time on the computer and draw a curved toothed ring for the last top section. There will be a bit of trial and error on that part I think. I am very happy with the result of the ring so far.
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