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post #1 of 38 (permalink) Old 04-19-2016, 11:39 AM Thread Starter
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Getting tired dragging my little (but getting heavier) 6 gal compressor from the basement to the garage all the time. So it's time to get another one. I'll leave the 6 gal in the garage and keep the new one in the basement. The 6 gal was too small for the shop anyway. What brand and how big should I go? Trying to keep it under $500.

HJ
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post #2 of 38 (permalink) Old 04-19-2016, 11:42 AM
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Is this of any help, John?
About Air Compressors
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post #3 of 38 (permalink) Old 04-19-2016, 11:48 AM
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US made Rolair...
but 300$ is going to get you an import...

tell us more about what you are running on air...
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post #4 of 38 (permalink) Old 04-19-2016, 12:12 PM Thread Starter
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tell us more about what you are running on air...[/QUOTE]

Just the normal stuff. Blow dust around (by CNC), finish nailer, and hopefully will start spraying finish coats instead of brushing. Nothing exotic.

HJ
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post #5 of 38 (permalink) Old 04-19-2016, 12:45 PM
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John, check out the California Air compressors. They are super quiet, I have one and love it. They run 2 compressors off one motor and tie the outputs together.

http://www.amazon.com/s?ie=UTF8&page...r%20Compressor


This is the one I have : http://www.amazon.com/California-Air...Air+Compressor

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post #6 of 38 (permalink) Old 04-19-2016, 01:20 PM
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Like Stick posted, Rolair is well made.

What you might do is call or visit a few of the air compressor repair/service shops and ask what they would recommend or what to avoid.

For years a cast iron oil bath pump was the gold standard. Those units seem to last the longest and the oil-less pumps seem to wear out quicker and from what I have been told, some are not worth repairing.

I have a Grainger USA made pump motor and a cast iron oil bath pump 25 gal. tank unit in the shop --a real work horse when needed. Only use it for nail guns, blowing out saw dust from tools, etc., it is probably a bit too much, but 'ya nevva' know when you'll need something bigger that will put out the air. I found this out when I need to use a cut off tool to remove some rusted on nuts and bolts. I do not spray with it as I have an old HVLP unit to spray water based materials.

Only problem I had in 20+ years was a new cut off valve. I added an extension to the tank drain for easier draining. I would recommend draining the tank after each use -- cheap insurance to insure tank longevity to prevent pin hole air leaks in the tank. Supposedly, the Teflon lined tanks will not rust out. Also run good filter(s) to prevent condensation from entering your tools or contaminating your finishes.
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post #7 of 38 (permalink) Old 04-19-2016, 01:28 PM
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Quote:
Originally Posted by honesttjohn View Post
tell us more about what you are running on air...
Just the normal stuff. Blow dust around (by CNC), finish nailer, and hopefully will start spraying finish coats instead of brushing. Nothing exotic.

HJ[/QUOTE]

My only advise is to stay away from the direct drive compressors. If a motor or the compressor goes bad then you are hosed. If it is basically for hobby use then a small 2-3 hp should do. There are many out there for less then the $500 price. I have a 220v, 5 hp, 20 gallon Sandborn that I paid $350 for in 1986. It is still going strong. I realize that it is a 30 year old price, but inflation can't be that much. IR, Rolairs and the like are really nice but for hobby use they are a little pricey.

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post #8 of 38 (permalink) Old 04-19-2016, 02:20 PM
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John , interesting post as I am looking for one too . My application needs a lot of cfm , so we're comparing apples to oranges I guess .
Here's the one I'm ordering in the near future .
https://www.acklandsgrainger.com/en/product/SDR5Z639

I have a plethora of air tools and can't use them as my Campbell Haisfeld 5.7 cfm @90 psi broke down . It was basically a big lunk of heavy crap that couldn't do more than drive air nailers anyways , so it's probably a good thing .
I should have bought the one I have now , a porter cable portable pancake style one for air nailing , and a monster for DP sanders etc .
I plan on buying a plasma cutter to , so I'm going to need a decent volume of air .

Not going below 16 cfm @90 psi this time. I've never heard of anyone complaining they have to big of a compressor . Plus I have a 100 amp service in my garage , so that helps

This ones a dual stage , [email protected]




http://www.homehardware.ca/en/rec/in...Air+compressor
This is my second choice . Single stage 4cylinder ,[email protected] psi

I donít always insulate , but when I do .
Ok ,I never insulate

Last edited by RainMan 2.0; 04-19-2016 at 02:43 PM.
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post #9 of 38 (permalink) Old 04-19-2016, 02:35 PM
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Quote:
Originally Posted by Ray Newman View Post
Like Stick posted, Rolair is well made.

What you might do is call or visit a few of the air compressor repair/service shops and ask what they would recommend or what to avoid.

For years a cast iron oil bath pump was the gold standard. Those units seem to last the longest and the oil-less pumps seem to wear out quicker and from what I have been told, some are not worth repairing.

I have a Grainger USA made pump motor and a cast iron oil bath pump 25 gal. tank unit in the shop --a real work horse when needed. Only use it for nail guns, blowing out saw dust from tools, etc., it is probably a bit too much, but 'ya nevva' know when you'll need something bigger that will put out the air. I found this out when I need to use a cut off tool to remove some rusted on nuts and bolts. I do not spray with it as I have an old HVLP unit to spray water based materials.

Only problem I had in 20+ years was a new cut off valve. I added an extension to the tank drain for easier draining. I would recommend draining the tank after each use -- cheap insurance to insure tank longevity to prevent pin hole air leaks in the tank. Supposedly, the Teflon lined tanks will not rust out. Also run good filter(s) to prevent condensation from entering your tools or contaminating your finishes.
Good advice Ray .
Your lucky as the pumps are made overseas now

I donít always insulate , but when I do .
Ok ,I never insulate
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post #10 of 38 (permalink) Old 04-19-2016, 06:02 PM
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Definitely focus on the tasks you plan on using it for. I use mine for spray painting and nail guns. Spraying requires good CFM, nailing not so much. I've been through several and had bad luck with all but the most recent one, a Dewalt 55168. I'm not holding my breath on that one but it's been solid for longer than any of the others. Do not go cheap on a compressor. Do avoid harbor freight compressors like the plague. I would have bought a Cal Air one (good reviews and pretty quiet) but got a really good deal on the Dewalt.

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