HF pressure sandblaster modification - Page 3 - Hot Rod Forum : Hotrodders Bulletin Board
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  #31 (permalink)  
Old 07-22-2014, 01:52 AM
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I have done the same modifications to mine. Thanks for the tips it works very well. All I have to do now is get an air compressor that can handle air demand.

mi chael.

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  #32 (permalink)  
Old 01-05-2016, 03:16 AM
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weak compressor help?

I have the 20 lb HF blaster hooked up to the cabinet. I was able to clean up most of a double bit axe but my air compressor is very inadequate. I have a 33 gal 150 max psi electric craftsman pushing a whopping 6 scfm at 90 psi (its a joke for sandblasting). I don't really have money for a nice air compressor either. Was just thinking about renting one to complete one project. Would making the air hose (from the main line to the media valve) smaller maybe save some air? I'm going to be using 120 grit aluminum oxide.
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Old 01-05-2016, 09:11 AM
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I have an old Tipp brand blaster that pretty much exactly like the HF one mentioned. I have using it for over 25 years. The lower plumbing came just like the mod. It has no dead-man valve, just a ball valve like the OP's. I have had to replace it a couple of times due the sand eroding the interior of the valve.

FWIW - Nozzle opening will control air volume required. Run the smallest tip that will pass the sand to limit air volume.
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