Quote:
Originally Posted by Billfred
You're right about the tubing diameters, but I don't think the bigger ones slide on the smaller ones out to the stops. (Where would those two fasteners slide in the absence of slots in the smaller tube?)
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Good point. I don't think that the connectors go all the way through, though. If they only went in to the outer tube, without penetrating the other side, you wouldn't need the slots, but you also wouldn't ahve a very strong connection either.
The center bracket has 4 small holes in it, making me think that they are designed to be attached to a very specific piece, not used as a rest or anything else. I can't think of anything that would fit that bolt pattern. Perhaps a gearbox, or some other item that we regularly use, but with a bolt pattern that is new from prior years.