The Mud Pit > Wrenching

Attention nerds and gearheads, Co2 Tank for use with OBA?

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BlacXJeep:

--- Quote from: rocket on January 03, 2010, 03:59:19 PM ---Did you set it up so that you can drain the condensation from the tank?

--- End quote ---

No I thought about that, but I'm not sure how to go about it. I suppose that could be added later. Anyways Heres how it went together. I managed to get the tank for free, and the compressor for Christmas, so it only cost me about 100 bones for the fittings, hoses and pressure switch.

Parts:
-20lb Coke CO2 tank
-Viair 400P portable compressor
-Various Fittings
-Air Hose
-Springs
-Hose Clamps
-12x24'' Sheet of steel (Thank you Bob Evans Inc. in Westerly!)
-Well Pressure Switch 30-50psi (we modified it using different springs to start at 60psi and shut off at 155psi)
-Electrical wire
-Nuts and bolts

We Started by spending about an hour and a half between Home Cheapo, and ACE hardware, but finally peiced together some fittings that would work. We had the CO2 tank and the compressor in a shopping cart at home depot and the older woman at the door, asked me if it was propane, I think she thought I was a terrorist. Anyhow, now we needed a pressure switch, but we weren't having much luck. We finally bumped into a small pressure switch, most likely used for a well. We also stopped by Bob Evans Inc. in Westerly, to grab a peice of sheet steel to bolt the tank down to the floor. We cut  slits in it and ran hose clamps through to secure the tank. The plate was then bolted through the floor. The pressure switch was only setup for 30-50psi, but we think it is rated closer to 200psi, so we fooled around with the spring rates and nate dialed them in to 60-155psi. In other words it will fill to 155psi before it turns off the compressor, but it wont come back on untill the tank gets down to 60psi. 60 is a little low, I would rather it be at about 80psi, but with such a big tank it shouldn't be an issue. If it is I will tinker with it later. So the tank is now at 155psi, and the system works well, with the exception of a small leak from the gauge fitting. I will solder it or try retaping the threads, but for now I just close the valve on the bottle and leave the compressor off.

here are some pics

calvynandhobbs:
Looks good. I wish I had space for something like that in my TJ.

kirksjeep:
Looks good.  If you wanted to go to a smaller and tighter pressure range for the switch try air horn switches.  I bought mine on ebay and with shipping it was around $15.  Also the coil hoses like I have you can get from harbour freight for under $10.  The coil is nice since it won't get tangled up. 

BlacXJeep:
have a 35 foot coil hose also, but it came with he compressor and has a female disco on it. I may modify it later.

rocket:
I'm mobil, so can't see the pics, but if u mount the tank up-side-down and put a drain-cock at the lowest point, u can drain it. Otherwise u risk collecting condensation till the tank is full of water.

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