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Fatboy
Senior Nomad
Posts: 713
Registered: 6-28-2005
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When used on 3 wheelers, only air up 1 tire. 
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woody with a view
PITA Nomad
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Location: Looking at the Coronado Islands
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Use for three minutes and let cool for six?
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JZ
Elite Nomad
Posts: 9233
Registered: 10-3-2003
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Quote: Originally posted by SFandH  | I know there are nomads who are experts at inflating tires so I thought I'd ask before I go and buy a 12V air compressor. Any favorites? Anything I
should watch out for? I won't be using it much but of course I want it to work when needed.
In addition to my F-250 I have a house trailer that needs 50 psi, I think, not sure.
I prefer just to go to Autozone or another auto parts store in San Diego over ordering one via the Internet.
Thanks in advance. |
Here you go. Thank me later. $79 vs $230 at Autozone. Goes up to 120 psi. I've go one for my truck.
http://www.northerntool.com/shop/tools/product_200442866_200...
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woody with a view
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Ah, the MV-50....
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dizzyspots
Senior Nomad
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Location: Mescal AZ
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Mood: rather be on the beach at Gonzaga
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ditto for the mv 50 at that price buy two...one for the rear pair and one for the front...still way cheaper than a viair..
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mtgoat666
Select Nomad
Posts: 17295
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You get what you pay for, especially so with tools. The cheaply made in China stuff is cheaply made stuff from China, 'nuff said.
Buy American!
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tripledigitken
Ultra Nomad
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Registered: 9-27-2006
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According to Viaircorp 20% on 40% cooldown.
[Edited on 4-15-2016 by tripledigitken]
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monoloco
Elite Nomad
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Location: Pescadero BCS
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I have an MV-50 and it's pretty worthless for airing up my f-350. It takes at least 15 minutes per tire to go from 25psi to 40psi and another 15
minutes to get it from 40-50. Also gets hotter than a firecracker. Would probably be OK for a smaller vehicle, but full sized truck tires require
something with a greater volume.
"The future ain't what it used to be"
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Santiago
Ultra Nomad
Posts: 3499
Registered: 8-27-2003
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I have the Viair for 10 years as well and am happy with it. However, you can get a small 110V compressor for next to nothing on Craig's List and run
it on a 200 watt invertor. This will air even faster and have additional uses.
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PaulW
Ultra Nomad
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I used the Harbor freight one mentioned above for 2 years for every off road trip and it worked just fine. It took about 10% longer to air my tires
compared to a York conversion my buddy uses. We both have 12.5x15 tires and we inflate from 14 to 32 after each off road trip.
Any way I moved on to other solutions and have other rigs. One has an expensive Viair set up and the another has a powertank CO2 setup and another
rig has a DIY CO2 setup I patched together with a weld shop tank and a web sourced regulator. All the stuff I use now is a bit faster than the HF
unit. Pros an cons for each setup.
Bottom line for that occasional use for airing up after using your plug kit for a leak it will be hard to beat the HF unit.
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willardguy
Elite Nomad
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| Quote: Originally posted by SFandH | | Quote: Originally posted by Santiago |
you can get a small 110V compressor for next to nothing on Craig's List and run it on a 200 watt invertor. This will air even faster and have
additional uses. |
Hmmm, there's an idea. More power for a given number of amps. Right? I have 110 available. Is it clearly a better way to go? |
200 watt inverter? thats gotta be one really small 120 volt compressor!
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unbob
Nomad
Posts: 407
Registered: 8-7-2006
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Another vote for VIAIR. I purchased the '400p-rv Automatic Portable Air Compressor Kit' in Oct 2010 for my 1-ton Dodge truck with commercial truck tires (245/70R19.5). My tires have max
120psi and the VIAIR unit has never failed me. Expensive? Yes. But it does the job quickly and reliably - very satisfied. Currently 78% 5-star
customer rating on Amazon.
On the other hand, if your tires only hold 35psi - then go with an el cheapo model.
[Edited on 4-15-2016 by unbob]
[Edited on 4-15-2016 by unbob]
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SFandH
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Good catch, 200 watts at 120 volts is less than 2 amps. I have a 1000 watt inverter.
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monoloco
Elite Nomad
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Location: Pescadero BCS
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These are great little compressors, I use one all the time with my nail guns, super quiet and compact. If you travel with a generator or have an
inverter on board these are magnitudes better than the cheap Chinese Harbor Freight ones. They require 5 amps so a 500 watt inverter would probably
handle it no problem.
http://www.amazon.com/Senco-PC1010-1-Horsepower-1-Gallon-Com...
"The future ain't what it used to be"
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Hook
Elite Nomad
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| Quote: Originally posted by monoloco | | I have an MV-50 and it's pretty worthless for airing up my f-350. It takes at least 15 minutes per tire to go from 25psi to 40psi and another 15
minutes to get it from 40-50. Also gets hotter than a firecracker. Would probably be OK for a smaller vehicle, but full sized truck tires require
something with a greater volume. |
Boy, and how. If you have to inflate to anything over 50, these just dont cut it. Too slow.
With the camper on, I am going from sometimes as low as 30 on dirt, up to 80 on the pavement. It can take a long time.........and the ambient temp
better be below 80F, or this thing aint gonna last.
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totalimpact
Newbie
Posts: 4
Registered: 4-8-2016
Location: TKT US, South SF and beyond when possible
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With a big rig like that you will want to run higher pressures, and 90% of these compressors will really be struggling by the time you get to the 4th
tire.
You might try the MF1089, it is the next model up from the MV50, and has more output than any of the Viairs. I have a hard time paying $200+ for a
viair when $150 will buy a stronger pump. I suggest replacing the wire on these pumps with #10, the #14 they come with overheats.
If you have room on your rig, you might consider a small air tank and have it pre-filled at home, I re-purposed a ~5 gal helium tank with a schrader
valve and air hose on it filled to 140psi, along with the 12v compressor. The tank will just barely bring 4 tires from 25 up to 35~40 psi depending on
temp - hopefully that would get you to a real compressor in a pinch - dont drive fast with a trailer on 40psi.
http://www.ebay.com/itm/like/361527190174
The ultimate is CO2, as you can fill a small tank to 3000psi, there is no cool down times, and it will run air tools as well. You could probably fill
4 big tires 3-4 times on a tank. This is an ongoing expense to get it filled, so it may not be worth it to you.
If your trailer has a generator its hard to beat a 110v compressor and 25' hose. I'm sure it would cost way less and have much higher capacity... the
inverter deal is pretty iffy, personally wouldnt want to rely on one, unless it was high end.
[Edited on 4-15-2016 by totalimpact]
-john
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MMc
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Ultimately you will live by your choice. It's one thing to discuss, it here it's another when you are all alone in the middle of Baja.
"Never teach a pig to sing it frustrates you and annoys the pig" - W.C.Fields
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woody with a view
PITA Nomad
Posts: 15937
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Location: Looking at the Coronado Islands
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Primary=CO2 tank. Secondary=MV-50.
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Santiago
Ultra Nomad
Posts: 3499
Registered: 8-27-2003
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Alright already - 2000.
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TLBaja79
Nomad
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http://www.viaircorp.com/
These work pretty darn good. Contact them to figure out exactly which one you need. Not the cheapest but high quality.
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