Roll Bar/Air Tank - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-30-2001, 04:59 PM Thread Starter
 
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Roll Bar/Air Tank

What are cons to tapping into the roll bar and using it as an air tank for OBA? I drilled small holes in the front and rear hoops where the spreader bars attach so it is one "tank".

Would I have to put water drains at the base of each leg of the cage?

Anyone else running this?

1976 CJ7 304/TH400/QT/D30/AMC20
Front D44, OBA in process.
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post #2 of (permalink) Old 12-30-2001, 05:06 PM
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Re: Roll Bar/Air Tank

your talking very little volume just like bumper air tanks...but I guess every little bit helps

post #3 of (permalink) Old 12-30-2001, 05:11 PM Thread Starter
 
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Re: Roll Bar/Air Tank

I figure it would give me maybe 2-3 gallons. It's for an OBA setup, so I don't need too much.

1976 CJ7 304/TH400/QT/D30/AMC20
Front D44, OBA in process.
JeepChicks: 1996 and 1997
JeepDude: coming in March, 2002
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post #4 of (permalink) Old 12-31-2001, 07:16 PM Thread Starter
 
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Re: Roll Bar/Air Tank

BTT

1976 CJ7 304/TH400/QT/D30/AMC20
Front D44, OBA in process.
JeepChicks: 1996 and 1997
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post #5 of (permalink) Old 12-31-2001, 09:29 PM
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Re: Roll Bar/Air Tank

At a swap meet there was a couple Samuri's that had the entire cage as an air tank, the most time consuming part was using bondo on all the welds to keep them air tight. I made my back bumper into a secondary air tank (2.5 gallon one on frame) and found I kept getting little pin holes in my welds. I eventually took two cans of the rubberized stuff for plier handles, and poured it in there, and let it flow all around now it is airtight.
Bottom line I can see is it is time consuming getting the welds airtight (at least for me it was).

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post #6 of (permalink) Old 01-01-2002, 01:19 PM Thread Starter
 
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Re: Roll Bar/Air Tank

I had thought about that. I was thinking of using JB Weld in any pinholes. That stuff is great.

What about drains for condensation?

1976 CJ7 304/TH400/QT/D30/AMC20
Front D44, OBA in process.
JeepChicks: 1996 and 1997
JeepDude: coming in March, 2002
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post #7 of (permalink) Old 01-01-2002, 02:21 PM
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Re: Roll Bar/Air Tank

I will post pics of my setup I just finished .I used a 4 or 5 gal. tank from a semi and with a 10" stroke York your`ll be hardpressed to suck down the system with your idle at say 1500 RPM using regular air tools . Tank went up nicely right under the passenger side floor . I`ll post pics later for ya . To much trouble for the roll bar setup unless your bulding it new . Just my .02 .



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post #8 of (permalink) Old 01-01-2002, 09:45 PM
 
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Re: Roll Bar/Air Tank

I had problems with the pinholes also. The JB weld worked to seal them up. I only wished I had thought of that sooner. I kept welding and grinding the corners trying to get them sealed. Wasted alot of time. Although, the last time I changed my bumper configuration, I didn't need any JB weld at all. Iguess I am finally getting a clue how to weld. [img]/wwwthreads_images/icons/smile.gif[/img]

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post #9 of (permalink) Old 01-02-2002, 04:57 PM
 
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Re: Roll Bar/Air Tank

im kind of wondering if you cant weld 2 pieces of tube togehter and make them air tight, how safe are they in a roll?

probably pretty safe since there is a multiplier, or overbuild in teh size of tube and joint type/design in most GOOD cages ive seen.

personally, if my cage didnt hold air, id spend the time to grind and find the holes! whether its an air tank or not.

the only problem with using it as an air tank, I see, is itll eventually rust inside, and might weaken where you need it, years down the roll, Im not sure you could count on it as a Life saver if its corroded in some places.

even with drains at the lowest parts, itll rust, so much moisture in that compressed air.

use the bumpers, or multiple small tanks

my plan is bumpers and one possibly 2 small tanks.

like stated above, the air is plentiful, unless your plan on running a HVLP paint gun/DA sander on the trail youve got plenty of volume with coffe can and running compressor.



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