I've thought of the idea a few times, but given how much money I'm already spending on things that don't quite work, I'm not about to plunk down more cash for more things that may not work.
Here are a few things:
- It's good that you're using HPA instead of CO2 for safety reasons.
- Both your design and the UberSoaker don't have ideal flow due to the valves used, although at higher pressure that may not matter especially if you have a laminator.
- If you're using a backpack setup, I recommend more water for the tank than 100 oz. You're going to need a lot of water at high flow rates.
- I recommend against using an intake tube as depicted. This causes major performance issues and prevents all the water from emptying out as easily. Simply having the hose on the bottom instead makes it easier to build and use, and gives better performance. If you can weld something to the bottom of the tank, that would be ideal. However, I'm not sure on the best way to do this; you'll almost certainly need special tools anyway. If the tank you're using is designed for air, rust may also be a concern.
For optimum performance, the best setup is to connect the hose directly to a ball valve, and the ball valve directly to a nozzle. The SuperCAP
features this setup, with a handle added in using a drainage tee/outlet [McMaster part# 4880K107, with a few other sizes available]. This will give optimum stream performance. (Although I also recommend a conical nozzle to go with that.)
Anyway, someday, I may build something like this, should I decide to dispose of additional income. I've been meaning to get into paintball in general, but haven't managed it yet.