Hey i got the GGDT up and running finally. I'll do my due-diligence and play around with this before i ask anymore questions!

Thank you

Or can anyone offer a general rule of thumb for optimal barrel:chamber ratio?

Ive seen some posts say 1:1 is pretty good, is that correct?

That looks really cool and perfect for the task at hand, but it is way outside of my budget :/

Are you able to make any recommendations on chamber size based off of what I have right now?

What would a rough estimate be for that? Most likely not, my wife said my budget has ran out lol. Maybe i could pick one up used Not sure if my first response went through... Most likely that will be outside of my budget. Maybe I can find one used. Why do you suggest it? Is it a big improvement in p...

Hello, First time builder and i could use some help with calcs. I've tried downloading the GGDT and couldn't open it up. all PVC... ID of the barrel is 2.58" ID of the chamber is 3.04" 1" sprinkler valve to fire it I plan on using a portable air compressor to pressurize the system. Since i'm going t...