I recently bought a Burley Nomad and found my daily commuter has interference between the rear rack and the trailer hitch. I am using the trailer mostly for errands. Picking up groceries, carpet cleaners, and so on. I prefer to tour using my panniers. For now I have the rear rack off, but I'd prefer to put it back and use another bike.
I was going to build a fixed gear from an old touring frame with long chainstays, and wonder does anyone else pull a trailer using their fixed gear? Or do you need gears because of the added load? I don't have great knees from years of basketball and running. Its why I took up cycling. Would I be better making the touring bike geared?