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Hello all.
I can obtain a Porter Cable compressor for $75.
I want to know if I can use it to paint my truck and
use it for tools like impact wrenches etc.. I'm concerned
that I might run out of pressure while painting... What
do you think?
Here are the specs:
2HP
6 Gallon Pancake
10 Amp
120 VAC
3.7 SCFM @ 40 psi - 2.7 SCFM @ 90 psi
1/4" quick coupler
The scfm is going to be too low to do a decent job painting unless you want to paint small parts with a conventional paint gun. Most of the newer HVLP guns require upwards of 15 scfm as a minimum. As for air tools it would handle staplers and nailers ok but for grinding and cutting with air you would be constantly waiting on the pump to catch up. Its still a good price for the compressor but if your needs are for painting you may be dissapointed. Just my opinion!
[updated:LAST EDITED ON 10-Sep-02 AT 09:18 PM (EST)]I say "yes". My main compressor is about 2 cfm. It'll run air tools like 1/2" impact wrench, air ratchet, blow gun, but not the hungry stuff like a die grinder, sandblaster, or air board for more than short bursts. It'll run a vintage DeVilbiss spray gun or a Taiwan touchup gun continuously.
My only reservation... it's an oil-free compressor. I've heard they don't last as long as a proper belt-drive compressor. If it's got a lot of mileage on it, be careful.
I don't think a 2 hp will give you anywhere near the results you'd be looking for in a paint job.
Here's a link from this forum discussing compressors and I seem to recall an extensive conversation on compressor sizes in the "Garage" forum. If nothing else, you would at least need hook up an additional tank for air storage.
Thanks guys. Im going to just buy something good. I want to be able to use it for a variety of tasks. Thanks for the info for I knew nothing of the subject.
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I'd pass on that one. I've seen those and they work great for very small jobs.
I had a 3hp 110volt 8.6 cfm @ 40 and it worked like a dog trying to keep up. I replaced the motor with a 5hp 220volt and changed the pully to increase the speed about 30% and now it keeps up pretty well.
Look for something in the 8 cfm range with a belt drive, pass on the oil-less types and look for cast iron sleeves in the pump. I think Sams had one for < $500 that was a great setup.
The smaller ones like my 3hp setup can be had used for about $150 and then you can change the motor and pully like I did and it'll work great. You can also help out by getting a secondary air tank, I use a 15gal second tank and that really helps out.
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