Thanks! Anywhere between 45 to 80 psi is the norm.

Today i went down ace and scouted out potential barrels. I found an almost perfect match, 1/2" SDR 13.5 PVC. It is thin walled but it is NSF-PW and rated at 315 psi. Although schedule 80 3/4" would have been better I believe it will still be safe. I made a true bolt system using the 1/2" pvc and 1/2...

Thank you very much Technician1002!

With just a little bit of sanding, a 3/4" cap fits into a 1" Tee

thanks for your help noob of noobs. I already understand the problems of vaporizing a compressed liquid, as i have played paintball for many years. I'll look into calculating the moles of propane, I hadn't thought of that. I guess need to know the weight of an empty propane tank as well as a full on...

Thank you for your kind words, this is my second gun but my first sniper. I am considering adding a propane fill to it so i don't have to lug around my air compressor or bike pump, but I'm having trouble calculating whether or not I'd get a decent amount of shots or not because the ideal gas law doe...

This is my latest creation. It is a fairly simple sniper derived from a conglomeration of various designs on the site. The gun features a typical 1" orbit sprinkler valve (blowgun modded), a poor man's breech, and a 10x optical scope. The chamber is made of 2" pvc which is reduced down to 1" for the...

Hi me n my brother are in the process of fixing up two old laptops mine is a ibm thinkpad 240. i already installed xp sorta successfully. for some reason it wouldn't let me wipe the drive to do a fresh install of xp. this may be becuase the 240 doesn't have a built in cd drive (only a pcmcia one tha...

how did he attach the blowgun to the sprinkler valve cause only the inlet end is threaded 1/4" the outlet is smaller

thanks very much

The valve is an orbit 1" its about 12-14 bucks and the trigger is just a standard shop blowgun 4-6 bucks so a total of like 20 bucks and if u look in the how-to section it will explain how to mod the same exact valve with a similar blowgun or you could buy one from joel premade at spudtech for like ...

ya im probably going to paint it (flat black) and pimpman i live in fort myers FL in a nice but not super strict on rules neighborhood and so far have had no problems with neighbors or police. here's some damage pics using D batteries http://i10.photobucket.com/albums/a131/Fishboy93/DV00015.jpg http...

This is my first pneumatic. it's a pretty simple over-under design with a modded one inch orbit sprinkler valve. I think it turned out good cause its clean and pretty powerful, way more than my other combustino one http://i10.photobucket.com/albums/a131/Fishboy93/P2050001.jpg whole gun http://i10.ph...

does anyone know what are the correct values for an average blowgun modded 1 inch sprinkler valve for the ggdt. i'm sorry if this is a noobish question but ggdt looks like a great tool but i cant seem to understand any of those values any help would be greatly appreciated, thanx

wow that thing is a-m-a-z-i-n-g you've just inspired me to create a paint ball gun, i love the idea of the two chambers what size are they? is it alright with you if i build one similar to this? also did u use any kind of stopper to prevent air from going into the stock on that tee?
thanx