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dstand534

Portable Air Compressor

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I would like some advice on a small portable air compressor that delivers 150 psi. Does anyone have any suggestions or comments on the best one to carry on the unit?

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Guest 2driftrs

It really depends on how long you want to wait to fill a tire. The small 12 volt compressors will get you there, but they're not real fast. Also, do you have plans on using the compressor for anything else other than filling tires?

We started our RV life years ago with a small 12 volt unit that burned out the first time we tried to fill a flat. A few other 12 volt units that got so hot they smoked, or blew the fuses, and we gave up. A few years ago we graduated to a Stanley Bostich, 1.8 CFM at 90 psi, 125 psi max. Nice little unit, very quiet, but wont get you to 150 psi.

The Viair unit will get you there, too, but it needs a 30 amp circuit. You might want to keep your rig running while using it lest you kill your batteries. Friendly advice, watch those adds! Filling an RV tire from zero to 30 psi in 5 minutes is a meaningless value. Filling a tire to somewhere between 80 and 125 psi is a whole different story.

We now use an Ingersol Rand twin-stack. This will pump 4.4 CFM at 90 with 135 psi max. At 75 pounds, it's a tad on the heavy side, but we needed the higher flow to run air tools (impact wrench, air ratchet, etc.). It will run on a 15 amp AC circuit. We set ours up in the basement compartment next to the outside AC outlets, so all I need do is open the compartment door and plug in to the outlet.

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