Besides helping Lou with his project, I took some time to do a little repair on my roof rack. One of the aluminum uprights had broken at the bend because of stress and vibration. I had held it together with a bungee cord for several months, but today I got out the power tools and did a better job of it.
A little grinding of the break, some drilling, some steel L-brackets bolted in place, and, bingo, back in business.
For comparison, here's what an unbroken one looks like