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Old 05-25-2013, 01:23 PM   #1
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"air compressor" question

I have an air compressor for air tools, with a 5.5 gallon tank (holds 135psi max). Think I can use a filled tank to air up some 33s after letting some air out?

I suppose I can probably find an ac/dc converter to power the compressor and fill up the tires that way.

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Old 05-25-2013, 01:32 PM   #2
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Seriously doubt it. Isn't that compressor pretty bulky to be carting around while out wheeling?

I'd put the money for the inverter towards a portable compressor more suited for the task.

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Old 05-25-2013, 01:40 PM   #3
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Harbor freight even sells the port compressor. It's cheap and will do the job.
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Old 09-01-2013, 05:01 AM   #4
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Does anybody know if there is a compressor small enough to take on the trails but still large enough to use at home for work on cars? What capacity?

Sorry for jackin your thread.
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Old 09-01-2013, 05:38 AM   #5
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I have tried inverters on those air compressors- don't waste your time. It burns up both. The start-up surge is too much.
Convert the A/C unit over or get one designed for a vehicle.
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Old 09-01-2013, 01:42 PM   #6
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It can be done with an inverter, but by the time you buy the appropriately sized inverter, the huge (2-4 gauge) cables that would likely be necessary, you can pay for either a very nice integrated on board compressor, or a scuba tank/nitrogen tank. In fact, those solutions would likely be cheaper than the inverter solution. I looked at doing something like this and I was to about $800 dollars (not counting the compressor I would use) and stopped thinking about it.
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Old 09-01-2013, 02:26 PM   #7
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The portable VIAIR compressors work well and they also allow you to air down easily if you don't already have an air-down tool.
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Old 09-01-2013, 02:54 PM   #8
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So you're saying I should get one that is designed for vehicles and it will also serve in home as well?
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Old 09-01-2013, 05:18 PM   #9
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Originally Posted by Aseventyfive View Post
So you're saying I should get one that is designed for vehicles and it will also serve in home as well?
No, what I'm saying is that systems don't really cross over. You can buy an inexpensive $50 DC compressor that will re-fill your tires (albeit slowly) that I guess you could use to fill pool toys, etc. Or you could buy a nitrogen tank, which you could use for a kegarator, or to carbonate water. Or if you dive, you could use a scuba tank in your rig. But if you are thinking of a compressor that runs air nailers day after day, or even higher capacity ones that run air ratchets, spray guns, etc.--forget it, they don't really cross over.
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Old 09-01-2013, 05:33 PM   #10
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Quote:
Originally Posted by Aseventyfive View Post
So you're saying I should get one that is designed for vehicles and it will also serve in home as well?
The Warn Powerplant is a winch with a built-in air compressor quoted to produce 5CFM at 90PSI. That's the requirement for operating a 1/2" impact wrench. So theoretically you could use it at home for other air tools but I'm not sure what it's duty cycle is on the air compressor portion of the winch.

Personally I have a VIAIR portable compressor suitable for filling up 35s and other "inflation" responsibilities that I toss in the Jeep when I'm going somewhere and a large electric compressor with a 30 gal tank in the garage for operating air tools. I don't think portable units have the ability to shed heat well enough for long term operation for such instances as running a cut-off disc, die grinder or sand blaster.

YMMV.
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Old 09-01-2013, 09:17 PM   #11
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Ok I was trying to
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Old 09-01-2013, 09:21 PM   #12
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Hit send by accident. Ok two units it is. I've got my eye on a viair for my rig and it seems like a 30 gallon would meet my needs to run impact wrenches and such.
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Old 09-03-2013, 07:56 AM   #13
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I have 33" tires. Do I need a compressor that is rated to fill that or should I get one that can fill 35s?
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Old 09-04-2013, 09:48 AM   #14
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Nvm found my asnwer

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