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 ...

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 ...

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 ...

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 ...