The problem with a rope jamming in a pulley is that the rope (or cord) is "too small" for the pulley. The situation you describe can happen quite easily if you are using "parachute cord" for example
Yes. And the best place to find decent pulleys is at marine supply stores. If you live near a coast, they're easy to find. West Marine is the major vendor out here in W6, and I'm guessing that they w
I know a ham who uses the PVC electrical "sweeps" instead of pulleys. I haven't tried that myself, but it seems like a good idea IF the sweep isn't attached to something that moves such as a tree. Ch