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Discussion Starter #1
What is the activation pressure of the ARB air locker? I don't know if this neads to be something to take in account when purchasing an on bored air system.
 

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Like 100 psi max - if you go too high, you risk blowing out the seals on the actuator.

With the system you're looking at, I would put a regulator on an output manifold so you can use high pressure for airing up tires, but have the right pressure for the lockers.
 

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90 psi is the operating pressure.

below 80 cannot get the job done.

105-110 will blow it up.

Troy's idea of a reg is a good one. you can also simply get a flow valve set for 90.
 

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So i just bought a rear ARB air locker. One of these days i would like to put a front locker in as well. So with trying to think ahead..what kind of air system should i be looking at? I know the activation pressure is 90 so would a regulator do it? Should i get a tank too?
 

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regulator is fine. You just need to adapt a switch to activate the swtich.

I love the ARB set up. It is plug and play. Running it off of tanks, or other air systems works, but requires a bit more thought. Can't go wrong with the ARB stuff.
 

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Perhaps you could better explain your system?

I don't understand, do you have a compressor or not? And if so, why are you wanting the tank? Do you have another brand compressor, like VIAIR or something?

If so, you should be able to run the front and the rear out of it.

I run the ARB MINI Compressor. It is the little guy, meant only for locker operation, nothing else. That thing runs both lockers all day long, without complaint. Anything that can air up tires can run these lockers all day without a problem.
 

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I have the larger ARB compressor that is technically capable of airing up tires.

If you use the ARB compressor, it's all setup.

To use a different compresor, you need a regulator coming in, and then a manifold for the two solenoids - just blank one off until you have the front locker.
 

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Currently dont have a compressor. (next payday) But i would like to be able to air up tires as well as run lockers. Thats why i was thinking bigger compressor with a tank. I was looking at VIAIR from wheelers. But to be honest i like your ideas if the ARB compressor made for the lockers. I like CO2 anyway to do tires. ARB send it all with the complete setup? I have looked at there website but its hard to navigate. (maybe i was too tired when i looked)
 

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If I had it to do over, here's what I'd do:

http://www.oasisoffroad.com/index.html

Yeah, they're expensive, but it would be like having CO2 without having to pay for refills, and they take up less space than a CO2 tank. I would have the compressor run to a tank, then have a regulated output for the lockers. The way mine works, the whole system is at "ARB pressure", so it takes longer to fill tires than it would if the storage was at a higher pressure.
 

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The little compressor is 150$, and runs at any angle, underwater, at high temp, low temp, in mud (as long as it has a snorkel), etc...free flow speed is low, don't expect to do any tires, but it's more than enough for lockers and has its own reservoir.
 

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Discussion Starter #16
I read one time that you can buy salvage yard Semi tractor trailler air tanks for cheap. they are quality units. they provide air to everything form the brakes to the pneumatic auto windows on a rig.
 

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I look at it this way: If you are going to have OBA for the lockers anyway, why not make it usefull and also have a significantly sized tank. I just tested my OBA system this last weekend and learned a few things. The inexpensive, but adequate MV-50 compressor will struggle to get a 2.5gal tank to 125psi at altitude. Granted, I have some minor leaks in my system, and heat/ventalation are an issue where I have the compressor mounted, but in the Denver area, it will get to 125psi without issue in about 18 minutes. Secondly, a 2.5 gallon tank does not hold very much air. At 110psi in the tank, I was just barely able to fill two tires from 22psi to 30psi before having to turn on the compressor. Here is my thread on the national board.
http://www.tacomaterritory.com/forum/showthread.php?t=76325&highlight=breathegood+oba

If you are looking for a compressor at a reasonable price, the MV-50 (also know as the MF-1050) is a good one, but I would spend a few extra bucks at Harbor Freight for the extra volume this one offers. http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=93186

I will likely end up swapping my MV-50 for this one at some point. You can buy several of these for the price of a Viair or ARB compressor.
 

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Discussion Starter #19
Just a thought. Couldn't you buy two of the cheapies run them in parellel(pneumatically speaking) to the tank and double the recovery time. Current draw might be an issue. It might be just as expensive as a real rig and perform worse. I don't know. Jus throwin it out there.
 

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I have a mini compressor.

I built my ENTIRE CO2 set up for under 100 bucks by surfing Ebay, and biding my time. I can fill 40 tires per tank (assuming I don't run air tools on the same tank). That is 10 trips. 15 bucks to fill, and you really can't get faster than C02. You can get as fast, but not faster.

IMHO, the only way a compressor for filling tires makes sense is if you wheel 2 days a week, every week, for 8 or so months out of the year. If you are like most of us, and get out a few times a month, the cost of filling CO2 is vastly overcome by its advantages.
 
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