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Old 01-09-2004, 06:06 PM
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What size Compressor?

i currently have a 5hp/20gal compressor that i was hoping would work for my 10gal pressure-feed sand blaster but it doesn't work worth a _ _ _ _.

anyway, what size compressor would you guys recommend to run this sandblaster. i want to do some work on my frame and body panels, of course. i can get a good deal on a 60gal compressor where i work and i was wondering if that would be big enough?

thanks,

JB

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Old 01-09-2004, 06:21 PM
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Tank volume is a consideration but you need more air flow/horsepower. For a serious sand blaster you need to be looking at 15-20cfm @ 100psi which puts you in the 8-10 hp compressor size. Didn't your blaster come with a recommended cfm?
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Old 01-10-2004, 08:45 AM
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I doubt your compressor is an honest 5hp. Most cheap compressors the HP is rated as peak HP. They connot produce an honest full time 5HP. I stay away from direct drive compressors as a general rule. I prefer dual stage belt driven compressors. Sand blasting is going to perhaps be the most taxing operation you will perform with a compressor.

Vince
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Old 01-11-2004, 07:37 PM
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7hp peak with a 60 gal tank capable of 10+cfm at 90psi... no less for sand blasting. 302/z28 is right: if you can afford a belt driven compressor go for it...
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Old 01-11-2004, 08:31 PM
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About 15 years ago I bought a used 71/2 HP Ingersal industrial 2 stage compressor for $400. Put a 5 HP single phase motor in place of the 7 1/1 HP 3 phase, rebuilt the pump.I have about $700 invested in it.This thing will start ,pump up and shut off, as I'm bead blasting away. I think this is a much better compressor than the new ones for $500 to $700.
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Old 01-12-2004, 04:53 PM
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thanks for the responses, guys. i think i'll check my pocketbook and see if i can get something bigger than the 60gal.

thanks,

JB
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