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Well I decided I wanted a air compressor that does alot more than the california quiet 8 gallon knock off. So I did some research and wanted to get something that does air tools and spray painting. Lowes had a Kolbalt 26 gal. that does 5.5 CFM at 40 PSI and 4.5 CFM at 90 PSI. I know a few people that have the larger Kobalt compressors and seem pretty happy with them so I got one and its rated at 78db on the noise level and it is pretty quiet since I ran it up to 90 PSI and turn it off to see if there are any leaks and after 30 mins no leaks.

It had some good ratings so will see after a few months how it does. It does look like it uses the same motor setup as does California air.

https://www.lowes.com/pd/Kobalt-QUI...e-Electric-Vertical-Air-Compressor/1000405189
 

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Rick
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I would just buy a pancake compressor and be done with it . I had a 5.5 cfm @90 psi with a 20 gallon tank, and found it didn’t run any of my tools other than my nailer .
I was basically just lugging a lot of weight around for nothing .
Mine could not even run an air drill long enough to put a 3/4” hole in a 2/4 . Has to wait for five minutes for it to recharge.
If I do this again it will be an 80 gallon tank with a 5hp motor and rated for a bare minimum of [email protected] .
 

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I got one like it and it has worked great. Just have to watch the guages. With their location they can be broken off, especially when unloading it off thge pallet. Guess how I know. lol Was less bother to order a $15 part than reloading it and returning it to the store. They ain't light. You'll like it, I'm sure.
 

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Discussion Starter · #6 ·
I would just buy a pancake compressor and be done with it . I had a 5.5 cfm @90 psi with a 20 gallon tank, and found it didn’t run any of my tools other than my nailer .
I was basically just lugging a lot of weight around for nothing .
Mine could not even run an air drill long enough to put a 3/4” hole in a 2/4 . Has to wait for five minutes for it to recharge.
If I do this again it will be an 80 gallon tank with a 5hp motor and rated for a bare minimum of [email protected] .
I understand that but I have a small shop and well I wanted something a little bigger. I have a project coming up that will require me to use a 1/2 inch impact so I needed something a little bigger. Plus I know a few tricks I learned using HVLP sprayers so this will do in a pinch on small projects and I am not planning on lugging this around :) I have a 6 gal porter cable pancake if I need to air up tires or use a nailer outside :)
 

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Rick
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I understand that but I have a small shop and well I wanted something a little bigger. I have a project coming up that will require me to use a 1/2 inch impact so I needed something a little bigger. Plus I know a few tricks I learned using HVLP sprayers so this will do in a pinch on small projects and I am not planning on lugging this around :) I have a 6 gal porter cable pancake if I need to air up tires or use a nailer outside :)
I just found mine didn’t help run anything better than my pancake compressor. Hopefully you’ll have better success .
 

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I personally like a belt drive compressor. I have an old Speedaire 3 hp 30 gallon that has to be 40 years old. I bought it at a yard sale. It does everything I need and more Impact gun. DA sander for a short time. I had a direct drive pump for a while but it just didn't hold up. For 100 bucks more you could have bought a belt drive with a 30 gallon tank. and for a 100 more than that you can get a 60 gallon. I just saw a Dewalt at tractor supply . https://www.tractorsupply.com/tsc/product/dewalt-30-gallon-air-compressor-155-psi-dxcm301?cm_vc=IOPDP1 Not saying the kobalt is bad just saying I like the specs on the belt drives more.
 

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I now have 2 compressors. A DeWalt 20 gal and a small Canadian tire Mastercraft under my workbench. The small one is fine for the small (16ga,18ga,&23ga) nail guns and is OK for blowing air to clean stuff. For framing nailer and all other pneumatic tools I use the larger DeWalt. When I moved here 2 years ago I put my old Coleman 5HP 26Gal compressor in the trailer and tied it down with a ratchet strap. I was driving my motor home and my son was driving my car pulling the trailer. When he turned the corner onto the main road about a mile from our new home, :( the compressor fell out of the trailer and smashed everything ! all the fittings and gauges and it was in perfect condition. I guess I didn't tie it well so only myself to blame ! so I bought the DeWalt. It is not rated as quiet, but it's much quieter than the old Coleman and the small one is just as loud. That is why they sell ear protection !
 

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What prompted me to build my compressor was the inability for either of my other small units to properly run any tool other than a stapler. Many of the specifications thrown around seem fantasy at best, I hope you are pleasantly surprised by your Kobalt. An impact gun does not work optimally at 90 psi btw, they need 125-150 psi in order to produce the combination of torque and hammering action to be effective. There is no small compressor anywhere at any price capable of doing this IMHO.

If I was to do my compressor build again, I would raise it higher and add an electric / remote water drain valve, and install it in my shed instead of in the garage. It is quieter than the old setup however, and doesn't run that often, now that I have the blow off valve adjusted to 140 psi.
Everything is piped in 1/2" iron, with water drains and multiple take offs and ball valves prior to the 6 outlets into the various hoses.
 

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15 cfm @ 90 psi is the spec; not sure it does that, but it can run any of my 40 odd cheapo air tools no problemo.

Cheap tools like HF are awesome for the money, they are disposable when they stop working, but for $10 for a small 1/4" die grinder explains why I have 8 of them with various bits already installed. They probably use 2x+ the amount of air as a real tool (like a Ingersoll Rand made in USA or Snap On etc) and not have the feel or trigger control, but I really like them. Having a compressor bigger than you (think you) need is really a good way to go.

I ran a 3 hp compressor rated electric motor at 240V on my setup, even tho the big pump called for a 5hp. 3 or 4 yrs later we are golden. Had to play with the pulley sizes to get the pump to run at it's sweet spot rpm; using a dual multi link belt setup for real high tension. HF once again - pump was $145, motor $139 IIRC.
 
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