Previously, I built an Agility Bar Jump. Next on the list of Do-It-Yourself Dog Agility Equipment is the Tire Jump. There are a couple different plans for the tire jump. I sorted through all of them and tried to weigh the pros and cons of each. The Tire An AKC competition tire jump should have an opening diameter of 24" and the wall should be 3-8 inches thick. The most popular material for a do-it-yourself tire is drainage pipe. This is lightweight so if a dog knocks his feet against it, it…