The only bad thing that I have noticed about the Central Pneumatic sandblaster brand is its inability to keep a consistent flow almost like the characteristics of a siphon system. This is probably due to having an imperfect design and the abrasive media being exposed to moisture from the supplied air causing the abrasive to clump up. I usually have to tilt the pot sideways slightly to make sure all the abrasive gets funneled down while sandblasting. I recommend trying to configure a better air/moisture filter to extract any moisture from mixing with the abrasive in the tank.
All together, the Central Pneumatic sandblaster is a great inexpensive alternate for a hobbyist to use or for people to get a taste of what the pressure pot’s advances can do without the high cost. It will get the job done, while providing a high blasting power for multi-staging, but with some inconsistent flow characteristics.
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Hi Eric, I am beyond frattrused with my pressure pot system. I got your plans for the perforated tube on the inside of the tank, implemented it, but it still seems that all I am getting out of the nozzle is air. I used the new system and got a few seconds of encouraging etching but then it seems to have clogged up again. I took it apart unclogged the fixture again, fired it up and same problem. I am at my wits end and ready to I-don’t-know- what! Please tell me what I am doing wrong. Compressor dials read right, dial on pressure pot reads right so I don’t think the problem lies there. It seems to clog immediately. HELP!