Air compressor buying help
http://www.harborfreight.com/cpi/cta...emnumber=92504
Honestly, I think you'll be rolling the dice with that compressor. You may get a good one; you may get junk. That seems to be how HF tools go. I've had decent tools, I've had junk from them. Make sure you can take it back if it blows up (don't mail order it).
I try not to buy anything at HF any more. They sell a LOT of crap tools.
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(the SS5N5 model). He treats it like a bad dog though. They're not quite built the same as the higher end (T30 series pump head) I-R compressors. I did a lot of close looking at the whole line of I-R compressors before I bought mine (I-R 2340L5). That said, even that little guy will give the compressor a workout. My compressor got HOT. I have a fan mounted directly over the compressor (suspended from the ceiling), I turned it on - it did help. I also have about 100' of copper tubing and 3 filters / traps between the compressor and the blaster - so I never had to fight water. My setup is designed to condense water out of the air. I do drain my drops, traps, and compressor frequently. I added an extension to the bottom of my compressor so that I can easily drain the compressor (the little valve on the bottom of the tank would be nearly impossible to reach otherwise).
Should you get a little HF sandblaster, DO NOT USE THEIR WATER SEPARATOR that comes with it. The clear plastic 'filter'. They like to catastrophically explode. They are junk.
I found the best media for me was #4 blasting sand from a local industrial supply place. #3 would probably work as well. #5 was too big and clogged the tip too often. This was for blasting rust off of a car frame. Worked great. I do use a forced air / fresh air respirator system with a full head hood. Sand is nasty stuff. Don't breathe it (silicosis).

That blaster did not work well at all with my old Campbell-Hausfeld 1 hp ("5" advertised) / 30 gallon compressor. I did not have any tubing to cool the air, and the compressor started to make water (spit) VERY quickly. Sandblasting is all about keeping the air dry.
I am running my 26 gallon husky on 110 at 100% duty cycle for 5-6 hours straight with air grinders and such and it's doing remarkably well.
I also looked at the kobalt at lowes. It looks identical to me as the home depot husky one. Same motor, same pump from what I recall.






