You guys are like the Oracle, exactly what I needed to hear.

http://i31.photobucket.com/albums/c390/BaconJacobs/Tater/tater2.jpg

Here is the Big One 2.0.

10'x2.5" barrel with 8'(total)x4" chamber, for a C:B of just over 2:1.
Is that a good ratio to start with? I can always go for the full 10 ...

Hey guys, I'm back. I'm the guy with the curly hair.

I have done as much research as possible and I can honestly say, now, that my last cannon... sucked.
I'll be the first to say it. It's true. It was poorly designed even though the performance was good for my first, and I learned a lot. I had the ...

Thanks guys, this all sounds really good.

I'd love to mod the sprinkler valve, but I'd have to see about the springs and being able to maintain a seal if the valve is nearly upside down, as when I launch at a 45 degree angle.

Definitely going to consider replacing the airgun with a big ol' ball ...

Hey, thanks for the great feedback guys. I'm really glad that my attempt has actually stood its ground with such seasoned vets as yourselves.

Yes, thanks for noticing the indescribable beast that is my hair. Note my username... Get it?

It is not ABS, but painted PVC with a fade going out to the ...

Hey guys, love the site. I went googling for some forums to compare my latest work to anyone else's. I love the work that that has been done on piston valves and modifications. I fully embrace the art of pneumatic acceleration in my small, small garage. It wasn't until after I had built this beast ...