A good-size tire, some simple hardware, and a sturdy, well-positioned tree can offer you hours of old-fashioned swinging enjoyment.
Supplies
To provide a soft landing in case of a fall, you may want to include a 6-inch layer of double-shredded bark mulch under and around the swing, spreading it equal to the height of the swing in all directions.
Take your time scoping out the best place for the swing, keeping safety in mind.
A hardwood, such as oak, sugar maple, or ash, will safely hold a swing on a branch that’s 8 or more inches in diameter; the farther out you hang your swing, the thicker the branch should be. The branch should be at least 9 feet high and shoot pretty much straight out, parallel to the ground, as it leaves the trunk. You’ll also want at least 3 feet of open space in every direction.
One from a light truck, such as a pickup or SUV, is best. You can get a castoff from an auto shop; avoid steel-belted tires, so you won’t have to worry about the metal working its way through the surface. To avoid standing water, drill ½-inch-wide holes in the bottom of the tire every 4 inches.
Nylon is softer on hands than natural rope. Also make sure you have the right hardware to hang it from the tree following the instructions below.
Screwing a bolt through the branch is safest for the tree (a rope tossed over the bark will cut off nutrients). A trip to the hardware store will net you all you need to hang the tire.
Make sure all of the hardware is grade 5 or higher and has an appropriate working load limit, which is determined by the total weight of the entire assembled swing (tire and eyebolts) and the estimated weight of the children using it. Always supervise children when swinging.