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I plan to make a test barrel the try the lettering. At least if I goof it won't be a total loss.
In Step 14 How to weld on a bike and not mare the paint: the method of grounding is not a good idea. By grounding thru the pedal crank will cause the current from the electrode to pass through the bearing in the peddle crank housing and this will pit the balls in the bearing causing them to become rough and cause them to soon fail.