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What do I look for in an air compressor?

 
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Jon
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Joined: 01 Jun 2006
Posts: 2421
Location: Bishop GA

1969 Volkswagen Type 3

PostPosted: Fri Nov 04, 2011 6:35 pm    Post subject: What do I look for in an air compressor? Reply with quote

I have 5 hp/26 gallon 110 volt compressor now and it cycles more than I want it to when I use my sandblast cabinet. I want to be able to blast or paint or run a DA sander without having to stop and wait for the compressor to catch up. What parameters do I need to look for? I'm guessing the biggest thing is tank size and SCFM? The SCFM on my current compressor are 8.1@40psi and 6.3@90psi with a max of 125psi.

Can somebody give me some guidance?
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Clyde



Joined: 03 Jun 2006
Posts: 855
Location: Athens


PostPosted: Fri Nov 04, 2011 6:58 pm    Post subject: Reply with quote

CFM is how fast it can produce pressure. More is better.
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modified 72 ghia



Joined: 04 Aug 2006
Posts: 366
Location: baldwin,ga


PostPosted: Fri Nov 04, 2011 9:17 pm    Post subject: u Reply with quote

the sand blaster will eat a compressor up in no time. I dont even try it with my big compressor. I sub all mine out. Any air tool will use a good bit of air. If you are going to by one, get the one with the largest tank you can get.
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Bob F



Joined: 16 Jun 2006
Posts: 203
Location: Bishop


PostPosted: Sat Nov 05, 2011 9:00 am    Post subject: Reply with quote

Jon, The air consumption of the tool being used dictates how big of an air compressor you need in order to keep up. I use a 220v compressor that is rated at 11.5 CFM @ 90 PSI and it actually shuts off while using my tank type blasters. With the table top, it's off more than on. I bought it at Lowes. I think this is the one. http://tinyurl.com/3f4w4y4
Edit: I checked my compressor and it is a 13.5 CFM @ 90 PSI and is not the same as in the listed URL. I went to Lowe's website and don't see the exact same model.
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Thang



Joined: 28 Aug 2006
Posts: 269
Location: Buchanan, GA


PostPosted: Sat Nov 05, 2011 11:54 pm    Post subject: Reply with quote

Get a commercial one from a closed up gas station like I did! Cool Works great with everything I throw at it! Twisted Evil
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Jon
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Joined: 01 Jun 2006
Posts: 2421
Location: Bishop GA

1969 Volkswagen Type 3

PostPosted: Sun Nov 06, 2011 8:20 am    Post subject: Reply with quote

Thanks for all the input; it is time to go shopping.
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