I made a bad decision with the inlet valve of my pressure tank. I used a schrader valve from a bicycle, thinking if I left some of the rubber on the base, it would be able to seal the hole I drilled into my pressure tank. I tried to attach the rubber to the pvc, but it is not sealing.I've already pu...

Thank you! I appreciate the help. This will be my first attempt at making one, and I have definitely learned a lot from this website along the way. Also, as a follow up question: I was considering setting my launcher onto a somewhat heavy duty camera tripod that I'm assuming will have to be weighted...

I'm wanting to make a launcher that would be able to fire 2" ice balls. I realize they have 2" pvc, but the ID is barely greater (2.067) than 2 inches on them. I'm worried my 2" balls would get stuck. Is that a reasonable concern? Is there a slightly larger barrel I could use? However, I am also wan...