I don't know where you live, but in America we have a Lowe's. Haha! I live in a suburb of Detroit so I'm not only from America, but I'm from the butthole at that ! :wink: I've visited both Lowes and Home Depot and all they carry is DWV pipe and fittings. 'Round these parts they share the same parki...

Hello again. This time I have a question about pressure rated fittings. I was looking around at a local plumbing supply store and even at mcmaster.com and everywhere I look the PVC, or plastic, piping has warnings all over it that say it shouldn't be used to house gasses under pressure. How is one t...

Yeah, I got it, I think. Thanks for all the help guys. I'm going to try to build one tomorrow. PS - Can the ball valve (to release pressure behind the piston) be replaced with any other type of valve, like the blow gun? (assuming a blow gun is the blower nozzle thingie on most air compressors) PSS -...

You did help out, actually. However, when you say "anything that fits nice in the chamber" do you mean it has to have almost a tight seal as seen in the diagram above? Will something without a seal allow the proper depressurization behind the piston? http://www.advancedspuds.com/pistonanimation.gif ...

Hi everyone. I'm a rather new spud gunner with beginner combustion and pneumatic cannons under my belt. I have a good idea about the physics and ratios and all that, but I do have a few Q's about the pneumatic type and I'm hoping that someone will be helpful enough to answer them or at least point m...