4-inch PVC end cap. 4-inch PVC fitting adapter. 4-inch PVC coupling pipe. 4-inch x 24-inch PVC pipe. This is the combustion chamber. 4-inch to 2-inch PVC reducer. 2-inch x 48-inch PVC pipe.

a 4-inch flat PVC end cap, pipe fittings to reduce the 4-inch diameter down to 1 inch, a 1-inch tee fitting, PVC solvent, a half sheet of ½-inch plywood and a 6-inch stamped metal turntable—all ...

Here’s how you can do it. Before you get started, gather the following supplies: Take a piece of 4-inch Schedule 40 PVC pipe ...