very nice looks like u put alot of time and effort into making that gun.

isn't the max psi rating for a 3/4'' QEV 150- 175max?

It was not pressure rated it had nothing on the pipe. At my Bunning's i go to sometimes it only has a PVC pipe section its has no tag's saying its Pressure Rated or DWV

this was for my first ever gun didn't know any better. so about 10mins ago i saw a Discussion someone thinking of buying there PVC pipe from Bunnings (Just a Friendly - helpful Warning)

dont know where i could get the tank filled then

The pipe is good there im not trying to make them sound bad. But for SpudGun - Pneumatic gun use's it's not made for it because it is so thin and not pressure rated!

I have a warning if your buying your PVC pipe from Bunnings . DO NOT BUY THE PIPE THERE it when BOOM!!!!!! on me at 80 psi after 100 or so shots that was the barrel and that was the only pipe i bought from Bunnings. You can buy the PVC fittings from there that is fine if you wanna buy pipe go to an ...

I have a warmig if your buying your PVC pipe from Bunnings. DO NOT BUY THE PIPE THERE it when BOOM!!!!!! on me at 80 psi after 100 or so shots that was the barrel and that was the only pipe i bought from Bunnings. You can buy the PVC fittings from there that is fine if you wanna buy pipe go to an ir...

You might be onto somthing there -_-

You dont need a licence for argon welding tanks or to get them filled.


I will have to go to Bunnings and ask about the Co2 tanks but if they have any will they fill it or do i have to get it filled somewhere else?

so pretty much put a regulator on my chamber then connect it to a 3 way valve then QEV? or reg then QEV? or i make 2 chambers 1 big the other smaller with a air/ gas reg in the middle which then would connect to a QEV and there my semi auto. cuz i want a semi auto system that all i have to do is hit...

for the golf ball to shoot 50 - 100m not go though anything i can't get a paintball tank supply because to get a paintball tank filled you need a gun permit Class A in Aust also scuba tanks will not fill it because you need a scuba drivers permit then get the tank chack by them and then it can be fi...

1.5 inch golf ball size

Performance: to shoot 50- 100 meters

fairly accuracy

Budget: alot

technical capabilties: i know how to use a metal lathe, weld, and operate other machines. e.g. mill's, grinder's

Could someone give me some advice on what valve I would need to make my air gun semi auto?

I have a semi auto loading system just need a good valve to get 6 shots out of my 3'' chamber by 3 feet long at max 120 psi

please help

Piston Valves Explained & How to Make I have been looking on Spudfiles for a little time now and I never really understood how piston valves worked or how to build one. So if your having trouble understanding piston valves or you want to build one view these's link's. I found it very helpful Barrel...

no need to get angry!!!!!!!!! im just trying to understand what valves are used and how hybrid gun - cannon work.