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Open Roads Forum  >  Beginning RVing

 > 12V Compressors?

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moosemud

Montana

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Posted: 05/21/02 05:24pm Link  |  Print  |  Notify Moderator

I am looking for a 12v compressor and would appreciate some feedback from those of you that own them, had them, threw them away etc. Which ones are good ones and which ones to avoid, what to look for in a good one.


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Lauren

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Posted: 05/21/02 05:48pm Link  |  Print  |  Notify Moderator

Just make sure you get one that goes to at least 250 psi.


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HiTech

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Posted: 05/21/02 06:26pm Link  |  Print  |  Notify Moderator

I like the 110V ones - they seem to inflate big tires a lot faster. If I need to run it away from camp, I just fire up the generator or use an inverter. I find it easier to use a 110V extension cord that a spevial 12V one as well.

-Jim

steve781

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Posted: 05/21/02 06:41pm Link  |  Print  |  Notify Moderator

If you can, stay away from the 12v models. I had several and recently switched to a 110v model. Much better. Sears has one that is a tankless compressor. It comes with a real 15' air hose and many assorted tips. $99.00


Steve
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bspill

Atlanta, GA

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Posted: 05/22/02 08:07am Link  |  Print  |  Notify Moderator

I agree that the 110V is a better option. The 12V takes too long to put air in an LT or trailer tire. I bough a 110V a couple of weeks ago in Target for $39.95 and had no trouble putting 80 psi in my truck.

*This Message was edited on 22-May-02 08:08 AM by bspill*


HarleyB

Mesa. AZ

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Posted: 05/22/02 08:54am Link  |  Print  |  Notify Moderator

I bought something at the warehouse club (Costco here in AZ) that I love. It's a portable jump starter/12 V power supply/ 275 psi compressor! You charge it with 12V or 120, then carry it in storage. It's easy to carry from wheel to wheel, and has a lot of juice, and has a 12V accessory jack to power your 12V stuff. You can also help out stranded folks without endangering your own electrical system. It has a handy light for night use, too. I do see what the good folks here are saying about 120V units. These 12V ones are high-pressure/low-volume, so it can take a while to top off a big tire. Hope this helps!

*This Message was edited on 22-May-02 08:55 AM by harleyb*



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bsinmich

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Posted: 05/22/02 02:34pm Link  |  Print  |  Notify Moderator

I bought a 2hp/4gal. compressor at Sam's Club that was made in the USA, runs on 110V and only weighs 35# when I carry it in the MH. I have gotten it home in the garage a few times also. I think the cost was $149. I have had 3 or 4 12V units & they have all ended up in the big round file on Tuesdays.


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richmondmj

St. Cloud, Fl , USA

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Posted: 05/24/02 11:11am Link  |  Print  |  Notify Moderator

I have owned 12v compressors that are great and those that aren't very good except for car tires or other smaller items. The key is the psi rating and whether they are air or fan cooled. The air cooled type can't be used for long before they must be cooled down or they'll burst the air tube or do other damage. I have a Campbell-Hausfield 12v unit for my motorhome and it works fine. It's small, light weight, has a lamp that can be used as a light or flashing emergency beacon and is fan cooled. I got it at Wal*Mart for under $20.00 and they also have a cordless version for a little more money. I also have a multi-purpose jump-starter, air compressor, etc and that is not good for truck type tires because it isn't fan cooled and although it says 275psi you can't get it over 65psi without it popping off the valve.

The 12v compressors are slower, but typically you are only using it to reinflate the tires to the correct pressure. Normally only a few psi at a time, not filling an empty tire! When you consider size and weight they are the best option for on the road in your RV. You need to get one that is fan cooled like the one I mentioned or the Truck Air brand that is often on sale at Kmart for less than Camping World's price. The air cooled type won't really cut it for above 60-65psi no matter what they rate them at.


Mike
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HiTech

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Posted: 05/25/02 08:39pm Link  |  Print  |  Notify Moderator

Sounds like you found a good 12V compressor. I agree a fan is the key. But I don't think the 120 V units are any heavier - may even be lighter for a given capacity.

I don't use the self contained rechargeables because of the weight. They can be handy though.

I like to have the capacity to refill a truck tire from flat if needed. Handy when you find someone with a flat spare that needs filling.

-Jim

DJinCO

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Posted: 05/25/02 08:49pm Link  |  Print  |  Notify Moderator

Agree that the 110v works much faster, but if you are stuck in the middle of nowhere, wouldn't you rather have a slow 12v or a 110v with no source for 110v (assuming no generator).

The 12v is good to have in an emergency.

Cheers,


Cheers, Doug



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