When I first started designing my pipe crawler, I visited some septic system professionals in my area. They were nice enough to give me a tour of their facilities, explain the kind of work that they do, and show us how some of their equipment worked. I got more information from this hour long...
I'm designing a pipe crawler to operate inside common PVC pipe. I'm looking for an appropriate material for the wheels to get a nice high coefficient of friction. I'm thinking of using a simple o-ring style wheel. Right now I'm looking at silicone o-ring, but if anyone has any suggestions as to...