School me on Air Compressors - Ford Bronco Forum
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post #1 of 106 (permalink) Old 02-01-2015, 07:45 AM Thread Starter
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School me on Air Compressors

My 10 year old Electric air compressor has shit the bed on me. Now looking for a new one and really on the fence about a few things.

I have had to fix the electric one a few times. The past 4 years it will only pump 125PSI out of the 225PSI it use to.

I am not a big fan of the Electric and really would like to go to a Oil Compressor.

I mainly just use the impact guns and wrenches working on the vehicles.

HF has this: http://www.harborfreight.com/29-gal-...sor-69865.html

Lowes: http://www.lowes.com/pd_268707-1126-...z10d76+2z8vp__

Are the new Electric ones lasting longer? Has anyone bought one of these HF ones?

School me so I can get the best product for my money.

Thanks
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post #2 of 106 (permalink) Old 02-01-2015, 08:30 AM
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I would be leary to spend over $100 on anything with over a dozen moving parts from HF. Oil lubricated compressors will be quieter over all than oil less type compressors.


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post #3 of 106 (permalink) Old 02-01-2015, 09:01 AM
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Get as big as you can afford

mine from loews

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post #4 of 106 (permalink) Old 02-01-2015, 09:35 AM
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First off I have to the reason your compressor didn't last longer is that you ran it at 225psi if you gauge was correct. I can see absolutely no reason to run compressed air at that pressure. Anything over 125psi is pretty much a waist of electricity and beats the hell out of your compressor. Once you try to go higher than that the time that the compressor has to is exponentially longer and creates exponentially higher temperatures, which means wear on parts. Buy the correct output cfm which correlates pretty closely with horsepower and also higher price and you won't have to run your psi that high. I have yet to see one of the big box store compressors even the ones made by Ingersoll Rand that are rated at higher than a 30% duty cycle. That means if it runs for three minutes to pump up it should be off for at least 6 minutes. If your compressor is running continuously for 8-10 minutes it's too small for what you are doing and you are causing premature wear.
When you buy an oil less compressor you get inexpensive disposable compressed air. They are noisy and run hot as hell.
If you want a good compressor that has serviceable parts you will be spending in the $1500-$2500 depending on how much cfm you want. My Quincy recip in my shop is from 1962. It started life as a 2hp and was used as a boiler control air supply so it only ran pressures of 60-80 psi. I installed a 5hp on it which if you use a sand blaster isn't big enough, but for normal air tools should be fine.
Be aware that all of the compressor companies are producing low quality budget air compressors to compete with companies like cambell housefield. They are OK for light use. If you work them hard and run them at peak rated psi and run them beyond their duty cycle they will shit the bed the same as any other compressor.
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post #5 of 106 (permalink) Old 02-01-2015, 01:46 PM
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Save some money and make your own

Ask Steve83. I think he knows how.


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post #6 of 106 (permalink) Old 02-01-2015, 02:47 PM
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the oil less direct drive compressors are very light duty

a 2hp is kinda small for any serious constant air tool use like body air tools or blasting
a 220 v will be more efficient but a 120v one is nice and portable



agree on buying biggest and best you can afford, bigger tank gives you better reserve time when doing big jobs like sand blasting

avoid off shore junk,specially on pump, as that is what counts the most next to a solid tank

keep air filters CLEAN ,dirty ones overheat the head and burn head gaskets and valves(I know that one well!)
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post #7 of 106 (permalink) Old 02-01-2015, 04:01 PM Thread Starter
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Thanks for all the advice guys! I finally went ahead and pulled the trigger on: http://www.lowes.com/pd_268707-1126-...7C1&facetInfo=






2-HP 30-Gallon 155-PSI 120-Volt Vertical Electric Air Compressor

Portable, vertical tank design maximizes your floor space
Belt drive design with heavy-duty induction motor
Quieter operation than direct drive, oil-less air compressors
Great for spray painting, automotive repairs and maintenance, woodworking projects, and inflation
30-gal ASME tank for ample compressed air storage
155 max PSI to operate a wider range of tools and maintain longer run times


Gas or Electric - Electric
Tank Capacity (Gallons) - 30
Compressor Type - Portable
Tank Style - Vertical
Horsepower - 2hp
Amps - 15
Air Compressor Volts - 120
Fitting Size - 1/4-in
Pump Type - Oil-lubricated
Motor - Induction
Cast Iron Pump Housing - Yes
Air Delivery SCFM at 40PSI - 6.5
Maximum Pressure PSI - 155
UL Safety Listing - Yes
CSA Safety Listing - No
ETL Safety Listing - No



Should get me around the Bronco just great.
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post #8 of 106 (permalink) Old 02-01-2015, 04:40 PM
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Ive had this one from Lowes now for 2 years. No issues at all with it. Just keep it drained, and change the oil often.



There is an automatic drain valve you can get online that will drain the water every time you turn it on. I am going to get one before I get it up and running again.

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post #9 of 106 (permalink) Old 02-01-2015, 05:08 PM
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Quote:
Originally Posted by Saltlife View Post
I finally went ahead and pulled the trigger...
"Finally"??? After less than 8 hours?

BTW
What does that sticker with the big flag say in the fine print: "MADE in USA", or "ASSEMBLED in USA"? What do the labels on the motor, compressor, switch, & tank say?
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post #10 of 106 (permalink) Old 02-01-2015, 05:16 PM
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Ive had this one from Lowes now for 2 years. No issues at all with it. Just keep it drained, and change the oil often.



There is an automatic drain valve you can get online that will drain the water every time you turn it on. I am going to get one before I get it up and running again.
I put one of those automatic drains on my 60 gallon/6HP Black Max. It never worked for crap. Maybe mine was just bad, or cheap, but I wound getting rid of it, and putting a 90' elbow in the dran fitting then running an extension pipe out from underneath the tank to a quality ball valve. Doesnt leak and makes it a lot it easier and faster to drain. Been working fine for.....best as I can remember about 15 years.

Quote:
Originally Posted by Verndewd
You're about as observant as a blind deaf mute in a sensory deprivation tank.
Quote:
Originally Posted by Alexander Stoklosa
After all, a world without enormous, fuel-sucking trucks with suspensions capable of bombing across the Baja at 80 mph isn’t a world worth living in.
Quote:
Originally Posted by BikerPepe'
Punching a weatherman in the nose has been on my bucket list for decades!
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post #11 of 106 (permalink) Old 02-01-2015, 05:57 PM Thread Starter
Beach bumming it ........
 
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Looks like most if everything came from Mexico. Wish I had the $500 more for the 60 gal. But I'll do fine with this one.
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post #12 of 106 (permalink) Old 02-01-2015, 07:55 PM
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just remember that the average impact wrench uses about 5cfm @ 90psi. If a compressor delivers 5cfm @ 40 psi then at 90 psi you will get less than 1/2 of the 5cfm. It is going to cycle on and off a lot since these smaller compressors typically have a non adjustable span built into the switch that is preset at 20-30 psi.
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post #13 of 106 (permalink) Old 02-01-2015, 09:27 PM
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Quote:
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Looks like most if everything came from Mexico.
...so the sticker with the big USA flag is false advertising.
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post #14 of 106 (permalink) Old 02-01-2015, 09:35 PM
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Quote:
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...so the sticker with the big USA flag is false advertising.
Not really....maybe it was made in California

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post #15 of 106 (permalink) Old 02-01-2015, 10:58 PM
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well at least its not assembled in China.......

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post #16 of 106 (permalink) Old 02-02-2015, 01:59 AM
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well at least its not assembled in China...
I'd really rather it WAS. Let them put their own crap together so they can't put ANYTHING on it to fool people into thinking it might have come from a US mfr.
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post #17 of 106 (permalink) Old 02-02-2015, 02:43 AM
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Quote:
Originally Posted by turpit View Post
...I wound getting rid of it, and putting a 90' elbow in the dran fitting then running an extension pipe out from underneath the tank to a quality ball valve. Doesnt leak and makes it a lot it easier and faster to drain. Been working fine for.....best as I can remember about 15 years.
That's a great idea. I hate draining mine because it's such a pain and I've tried 3 different valve styles.
I gotta do this! Can't believe it didn't occur to me already.

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post #18 of 106 (permalink) Old 02-02-2015, 08:18 AM Thread Starter
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Can't buy much of anything that is made is USA anymore. But at least the warranty is GREAT with Kobalt.

I am surprised on how quite it runs. My old oiless electric compressor was noisy as shit. This one I don't have to roll outside to use it.

For the money I think this was my best bet I searched and searched CL but everyone wants retail for compressors that are 10-15 years old. They may last a lifetime and better built but I never knew they hold value like that.

Went through the 30 min break-in last night. I did pick up a 350 ftlbs 1/2 Kobalt impact too. runs at 7SCFM at 90 the compressor I think runs at 5.5. Still better than my last one and it did any job I threw at it.
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post #19 of 106 (permalink) Old 02-02-2015, 12:16 PM
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Quote:
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Can't buy much of anything that is made is USA anymore.
Yes, you can. You just have to look, and yes, it costs a little more.

My ~$2200 Quincy 5hp 80gal has a Quincy-US compressor, a Baldor-US motor, and a Manchester-IL tank. It also has a pretty good ("No Bull") warranty.

When that impact dies, check out the AirCat NitroCat (also made in US).
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post #20 of 106 (permalink) Old 02-02-2015, 12:18 PM
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Quote:
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My ~$2200 Quincy 5hp 80gal has a Quincy-US compressor, a Baldor-US motor, and a Manchester-IL tank. It also has a pretty good ("No Bull") warranty.
Better warranty than your last one huh??
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