I have a little experience, was an aircraft structural repair technician for 23 years. Not sure how many solid rivets that equates to but I'm sure its a couple.
I've never had a problem swapping out tanks at welding supply other than the one time i had to pay extra for a hydrostatic test that was out of date. Was no real problem other than the time elapsed for the inspection. They just charge a fee for the test on your old bottle and give you a new...
Thank you for the kind words sir.
L=3.25 inches. The rim is only 5" diam. so the arm extends past the radius. It works, what else can I say. It really wasn't any engineering per se just a wag (wild *** guess) on the length. I kept referring to another kart I have for the steering during the...