SpudFiles

Well, I bought this, cost me 42 euros and something.
Totally worth it! Awsome regulator, the LCD shows both in-tank pressure and output pressure and using pressure drop per shot to calculate how many shots you have left. Besides, it allows external output pressure regulating and has two configurations (one allows adjustment between 100-500 psi, another for above 500 psi). It also comes with a very, very detailed manual, with all the information you need to operate/fix the regulator and a aluminium arm for mounting.
The only bad thing it´s it doesn´t have the pin valve that normal paintball regulator has so you can only fill the tank with the output of the regulator already attached to your gun´s valve.
With this regulator, I´m starting a new project. As I started play pro airsoft skirmish (with experienced players and their high-end AEGs/GBBs), I found out a sniper normally still owns most of the "kill"s. Currently I´m using a upgraded AEG, but the sniper from my team doesn´t do much so I started looking for a sniper rifle. Didn´t found anything good, when people are paying big money and physical strength (ever tried to pull the bolt of a sniper rifle with a M170 spring for a entire afternoon? ) just to get 500 FPS, while this gives me 560 FPS easily. But this time I what the main chamber to be incorporated on the gun, so I had to reduce the size of both chamber(main and secondary). In order to keep the FPS and economize the air consumption per shot, I bought a tight-bore airsoft barrel and metal M4 hop-up(so I can use a M4 magazine, same as my AEG), also will be using a hammer valve to eliminate the wasted exhaust air.
This project is now consuming most of my incomes and free time. But I´m going to take time and do this right also I´m open to the valve/trigger/reloading mechanism suggestions, still pondering for the most suitable combination.

Doesn't sound like a lot of money for a pretty cool regulator.
Hope it works well for you.

Sounds like great value, nice find!

It is indeed very price worthy, considering a brand new Palmer stabilizer plus standard paintball regulator will cost more than 100 euros here.
BTW Jack I'll probably need a machined hammer valve, will pm you later. Any suggestions for a better approach rather than a hammer valve?

wyz2285 wrote:BTW Jack I'll probably need a machined hammer valve, will pm you later. Any suggestions for a better approach rather than a hammer valve?

Cartridges!

hehe

Consistency is important. Hammer valves are consistent. Also, they can be attached to a light trigger which is important for a "sniper".

I assume you'll be using the regulator to have a "low" pressure firing chamber, this will remove the pressure curve. Ran some quick numbers into GGDT, with say a half inch ID firing chamber 2 inches long, and a 24 inch barrel, you could get a 0.25 gram BB to 500 fps with just 130 psi, a paintball tank will last forever!

Exactly, I'd try to use less air per shot as possible, both for economic air consumption and stealth. The problem is the paintball tank I'm planning on mounting it's only 0.2l, 3000 psi, that isn't much air, and I'll have to find a way to make it last at least 500 shots as I won't be able to fill th tank on field.

wyz2285 wrote:I'll have to find a way to make it last at least 500 shots

What happened to one shot, one kill? How many people are you playing against That would be like a real sniper carrying around 12 kilos of ammunition

Nothing happened to one shot, one kill, but Portugal it's a windy country, you never know if you will hit the target or not with a 0.25 g bb beyond 60 meters. 500 maybe too much, but it's a safe number. I can easily done 100 shots with a m140 spring rifle during practice, this build will be a lot easier to reload so I expect I'd be more trigger-happy so around 200, basically the bbs inside 2 hi-cap m16 short magazine. I'm doing some GGDT for 0.40g bbs, they seem to be a lot more stable.

My phone made a doble post, sorry.
Found a suitable GGDT design, gonna follow it.

Wyz, I'm working on the exact same project, except I'm using propane. Planning to use an M4 hicap and all.

I was going to take inspiration from the Wingun 701 I've been fixing, and using a hollow core for the hammer valve. When the hammer valve is struck, the gas exits the core, and the core pushes the BB into the barrel. I'll strip the valve again and take some photos tomorrow.

Same, I'm designing a inline hammer valve o fit inside the valve. But if you're using propane, you don't need all the fancy valves and regulator that I need.

That was my thinking with propane, and if I make an adapter for POL gas fittings, my clients can refill from a 20lb bottles, which cost $21 here. Whereas a pound of green gas costs $30 down here.

Obviously I'm making these for sale, otherwise I'd use HPA.

Every time I hear people say "propane" I automatically start thinking about a combustion. Seriously, what a wast of natural resources

I did think about a Tippman C3 arrangement, but I can't sell the idea to my distributor, and it's not really efficient.

HPA would be ideal, but when you're paying $250 for the gun, $200 for a bottle and regs, then $200 for a hand pump, you might as well import one.

I think I'll make a HPA one for myself though.

I decided ti.use HPA because propane are sensitive to temperature, air doesn't. But indeed, a. HPA system requires more money and effort, but for me it worth it.