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 > Selecting portable compressor

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Raife

Texas

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Posted: 08/29/20 04:47pm Link  |  Quote  |  Print  |  Notify Moderator

Looking for help regarding which Viair compressor to get as I don't know enough about how they work. I read several threads on the site, but it didn't help as generally the PSIs they referenced where much higher than mine. I have an Grand Design Imagine XLS 21BHE, tire size is ST205/75R14 65PSI cold.

The product selection page on Viair says the 300P-RVS is perfect for towables, but then the actual product page says Class B. The Viair 89P-RVS says it is also for Class B.

So there is $100 difference between the two, but I struggle to understand the big difference or what is means practically.

So why am I asking...we picked up our trailer last weekend and then stored it for the week. We got it today and discovered it had a flat tire (nail). So we filled it up down the street from the storage place so we could get it home. I am picking up a Trailer Aid tomorrow and have a compressor at home to fill it back up. But it struck home the need for an option on the road.

Do I even need something this "big?"

Any info is appreciated.

Thank you.

Lwiddis

Near Annett’s Mono Village, Bridgeport, CA

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Posted: 08/29/20 04:52pm Link  |  Quote  |  Print  |  Notify Moderator

I use a basic Ryobi air compressor with a rechargeable battery. Gets and keeps my TT tires at 65 psi easily. $50 plus battery. Same battery runs my impact drill and reciprocating saw for firewood.


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rhagfo

Portland, OR

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Posted: 08/29/20 05:17pm Link  |  Quote  |  Print  |  Notify Moderator

Well this is Installed on my TV run our air horns and inflated tires and can also run my impact wrench.
ViAir


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corvettekent

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Posted: 08/29/20 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

The more you pay for an air compressor the less you wait for the tire to fill up. With that said I returned a Viair 280C because it was to big.


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Lwiddis

Near Annett’s Mono Village, Bridgeport, CA

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Posted: 08/29/20 06:21pm Link  |  Quote  |  Print  |  Notify Moderator

Extremely rare for a TT tire of mine to be below 62 psi even after days in a camping spot....so “fill up” is three pounds. Very quick.

Raife

Texas

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Posted: 08/29/20 06:45pm Link  |  Quote  |  Print  |  Notify Moderator

Given I plan on using it infrequently, I'm not as concerned about fill speed.

travisc

Pacific NW

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Posted: 08/30/20 07:35am Link  |  Quote  |  Print  |  Notify Moderator

Look at the cycle time for the compressor that will tell you, how many minutes on vs how long to cool. I carry a box mounted Arb compressor with a plug kit I’ve used it twice for tires. Once going to ak to help a new married couple air up their tire a second time on a. BOat ramp out several miles from services, we plugged the tire and they drove home. I’ll always carry one


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wanderingbob

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Posted: 08/30/20 08:33am Link  |  Quote  |  Print  |  Notify Moderator

You are probably gonna want an inverter any way for many other things , get a sixty to one hundred dollar ,110 volt pancake compressor and it will work for many things . Blowing up tires , brad nailing, blowing debris away and many other things .

LJAZ

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Posted: 08/30/20 10:50am Link  |  Quote  |  Print  |  Notify Moderator

I have the Viair 300P and very happy with it. A little overkill maybe, but it works very well. I use it to air up the trailer and truck tires.

Before this I had a couple of the cheapo type that plug into the cigarette lighter but they took a long time and didn't last. So I watched the internet for a bit and found the Viair for a pretty good price. Been using it for several years now with no issues.


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bpounds

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Posted: 09/03/20 11:28am Link  |  Quote  |  Print  |  Notify Moderator

Viaire is a great product, but I think it is overkill for what you (the OP) needs. It only has one advantage - it runs on 12v.

Got a generator, or an inverter? A Harbor Freight pancake or hotdog compressor will outperform the Viaire, and can be had for around $60. Add an extension cord so you don't need a big roll of air hose.


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