Well geeze, after what seems to be an eternity, the saddlebag bracket fab-work is complete.
They're not pretty, but once they're painted (satin black) they'll be perfect.
Since my friends and I are not qualified to have even built such monstrosities, I believe they came out pretty OK. We were way off in our calculations and had to compensate by welding extra tubes on top of the main
Also, the welds were not very nice looking either, so we "fixed" them them by grinding and filling with some Magic Mender (Bondo, Magic Mender sounds so much more exciting). They're super solid and will definitely do the trick.