Scuba tank to fill tires? - JeepForum.com

 
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post #1 of 11 Old 08-22-2004, 02:07 PM Thread Starter
chris06
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Scuba tank to fill tires?

Could the scuba tank fill up all the tires? If this will work, how much will all of the adapters cost?

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post #2 of 11 Old 08-22-2004, 02:35 PM
Rickster
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Chris, I'm a scuba diving instructor and will be using this setup when I feel it's time to carry it around because I already own everything I need.

1)Aluminum 80 cu. ft. - 3000 psi Scuba Tank $175 ($100 used with a current hydrostatic test and visual inspection - very important)

2) First Stage Regulator $150 (anywhere from $50 and up used, make sure it is in good repair i.e. take it to a scuba shop - standard pressure is somewhere around 120-140 psi if you get them to adjust it lower, it will last longer. Try to get a "Diaphragm" instead of a "Piston" First Stage Regulator, they will be more reliable for this use).

3) Low Pressure Hose for First Stage Regulator $30 (will probablly be attached to used Regulator)

4) Adapter fitting for hose (pipe thread outlet for air chuck) $5

You MAY need a certification card to have your air tank filled at a scuba shop, however, you should just be able to explain to them what you're using it for and they'll fill it. Air fills generally run about $3 each. If you are purchasing new, I can recommend specific equipment that would work well. All prices are approximate and in Canadian dollars.

-Rick
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post #3 of 11 Old 08-22-2004, 03:31 PM
atxtj
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Compressed air in a jeep is a bad idea,(read missile ) if the jeep rolls or the regulator get knocked off. Also an air tank doesn't hold enough air to fill many tires. A co2 system is safer because it's a liquid that vaporizes to a gas, and it can hold a much larger volume than an air tank. you can even run air tools off of it. I'm sure someone will chime in with more info.... Jerry, where are you?

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post #4 of 11 Old 08-22-2004, 05:04 PM Thread Starter
chris06
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can't you fill the scuba tank liquid co2? does the powertank system use a scuba tank as the base?
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post #5 of 11 Old 08-22-2004, 07:21 PM
DogHouse
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I got my CO2 tank from a fire extinguisher place for free. Bought the regulator for $50 and the bracket came free also. Each fill up is $13 and pretty much allows me at least 4-5 fills on all four tires going from 10psi back up to 28 psi. I've heard the same about compressed air it is much like a missle but that's all i've heard. I would suggest using CO2 as well because it will hold more for you. JMHO.
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post #6 of 11 Old 08-22-2004, 07:30 PM Thread Starter
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So all you need is a tank, regulator and a hose you buy at sears? where do you buy a regulator?
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post #7 of 11 Old 08-22-2004, 08:29 PM
BigWaylon
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Quote:
Originally Posted by chris06
So all you need is a tank, regulator and a hose you buy at sears? where do you buy a regulator?
several online places have them...or your local welder's supply shop will...

I've got a black powdercoated 10# tank that I'm getting ready to send back (went with a 15# instead)...

if anybody wants it for cost (about $120) let me know...

Greg

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post #8 of 11 Old 08-22-2004, 09:07 PM
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Quote:
Originally Posted by atxtj
Also an air tank doesn't hold enough air to fill many tires.
I've personally watched a single Scuba tank inflate 3 tires on about 7-8 SUV's

The guy did his own tires and then worked his way down the queue doing the remaining 3 tires on all the other vehicles, while they were still doing tire 1 with the 12 volt electric compressors... Impressive.

The only thing I don't like about the idea is scuba tanks are BIG. He had a Landcruiser so it wasn't a problem, in a Jeep, different story.

If you have all the scuba gear already, and have the space available, it's a great way to do it.
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post #9 of 11 Old 08-22-2004, 09:56 PM
SlinkyTJ
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Quote:
Originally Posted by DogHouse
I got my CO2 tank from a fire extinguisher place for free. Bought the regulator for $50 and the bracket came free also. Each fill up is $13 and pretty much allows me at least 4-5 fills on all four tires going from 10psi back up to 28 psi. I've heard the same about compressed air it is much like a missle but that's all i've heard. I would suggest using CO2 as well because it will hold more for you. JMHO.
A CO2 tank will do the same thing. I've seen it happen. I had a hose blow in my face while filling some paintball tanks.

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post #10 of 11 Old 08-22-2004, 11:46 PM
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Quote:
Originally Posted by SlinkyTJ
A CO2 tank will do the same thing. I've seen it happen. I had a hose blow in my face while filling some paintball tanks.
thats what i was waiting for(paintball is way to much fun and addicting). co2 will freeze if there is a small leak in the regulator and by the time you turn around it has took flight. compressed air is even stronger. i work in the shipyard and we read a accident report of an oxygen bottle for oxyacetylene cutting, was knocked over during changeout and the vavle head hit on the way down. the oxygen bottle then slammed right into the bulkhead and thanksgod it stayed right there while releasing all 2000psi of air.
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post #11 of 11 Old 08-23-2004, 10:30 AM Thread Starter
chris06
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i can get a CO2 take for 50 bucks. Do regulators that come from compressors work with a CO2 tank. and how high should the psi on the regulator be?
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