PVC and CPVC, PEX, ABS, galvanized steel and cast iron — can mostly all be connected to each other with appropriate fittings. With all the different pipe sizes and materials out there ...

to PVC. Check with your local plumbing inspector. When inserting a pipe between two fixed ends, cut the new piece to leave an 1/8-in. gap at both joints. Loosen and slide the metal jacket and ...

But not [truebassB], instead he built his own air pump from first principles (YouTube, embedded below) using PVC pipe. It’s a straightforward design in which the cylinder is a length of pipe ...

One of his more interesting builds is his series on building rocket engines out of PVC pipe written in conjunction with [Chuck Knight]. For the propellent grains, the PVC rocket didn’t use the ...