When's it time for bed at Michael Jackson's house?
When the big hand is on the little hand..

What's blue and comes in brownies?
A cub scout

Why do dogs lick their balls?
Because they can

How do you know if a polish girl's on her period?
She's only wearing one sock

Why did the condom fly across ...

It's a steel ball valve, but not sure why it's so differently priced..

Hmm.. I thought the sprinkler valves were more expensive. The ball valve for me.. the 1 inch.. was only about $6 at my hardware store, and it was what I was familiar with.

Well to be honest I don't know, but I'm pretty sure it's just regular Sch 20 PVC.. that's what I bought it as.. and the duct tape is covering up the markings.. so I can't really go back and check :\

Cool cannon! Have you thought of puting a stand on it? Might help with the kick :)

Thanks! I did think of putting a stand on it of some sort but tossed the idea because I didn't have too many issues with aiming it and nothing really with the kick.. it's pretty cool the feel the power of that ...

The Sch 20 barrel works wonders for me, it does really well with tennis balls especially because they slide in very smoothly and don't require a high pressure build up behind them for them to glide out of the barrel, as opposed to being stuck to where it would take much more pressure to launch. I ...

This is my Pneumatic cannon, I call it Big Stuff... until I can think of a better name.
http://img.photobucket.com/albums/v681/xVicex/0630061526-1.jpg
It's built completly out of Sch 40 PVC, save for the Sch 20 barrel (wrapped in duct tape) that I use to launch tennis balls and cans of spray ...