trailer hitch

Great idea, in the past 40k+ miles between our homes in IN & FL with lots of stops in the mountains I have never had a problem with the little trailer in the center, and rear wheel bearings go out about as much as with just the sidecar, riding on the Darkside my rear tire can outlast the bearings so I replace about every 10k anyway to be on the safe side. I also redid the brakes so the rear brake peddle does the sidecar too. But I will keep your idea in mind while building the new hitch, I was just trying to get the weight down from that 2"x 6-foot steel tube..  Thank you, Rich