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Sand blaster DIY?

post #1 of 5
Thread Starter 
How much compressor does the cheap siphon gun sandblasters need?

I have a few mower parts that need some light sand blasting. The last time I had some blasting done that job was great but it was damn expensive for the application (beat up old lawn tractors).

I was thinking about getting a cheap siphon sand blasting package, maybe 50 bucks or so from Harbor freight.

I have a 50 gallon craftsman air compressor, 120v, nothing special.

I also have a 20lb CO2 cylinder. If the compressor doesn't have enough CFM to keep up I can't see a reason why I couldn't use the CO2 tank to power the setup.

All non lead paint, just rusty old mower parts that need a blast and repaint.

Thanks!
post #2 of 5
compressor should have cfm rating on it, blaster should have cfm requirements listed.

worst case you might have to wait a little between blasts for compressor to catch up.

50 gallon tank up to pressure should give you a decent amount of run time.
post #3 of 5
You need a compressor that can deliver a lot of pressure and CFM's at the same time.
post #4 of 5
Quote:
Originally Posted by speedracer View Post
You need a compressor that can deliver a lot of pressure and CFM's at the same time.

yup, what he said, I have a small hand sand blaster, it takes alot of cfm to run these, never mind a bigger one,
post #5 of 5
A 1/4" Nozzle with a 1/8" Air Jet will use 25 cfm at 100 psi. You'll be surprised at how little 'work' you can accomplish with without the necessary 'Air' behind it.
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