| General > General Technical Chat |
| Modified compressor. |
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| james_s:
You won't damage the windings, just use regular compressor oil. Enamel insulation is really durable stuff, and they don't use different wire for different oil. Also you can get compressors for scrap value or even free if you talk to a HVAC guy. Lots of systems get scrapped when there is nothing wrong with the compressor. |
| MadScientist:
I have a Chinese dual head airbrush compressor , nice and quite , will support upto 5 airbrushs, was about £120.00 various models from £55, will drive two brushes etc google bartsharp building one from fridges units will never be good |
| james_s:
--- Quote from: MadScientist on March 31, 2021, 09:04:59 pm ---building one from fridges units will never be good --- End quote --- Why do you think that? Lots of people have built compressors with salvaged fridge compressors, they work fine. Why buy something new when you can reuse something that would otherwise go to scrap or a landfill? |
| davelectronic:
I can't see a problem using refrigeration compressors to be honest. I've seen the smaller airbrush compressors on Amazon, with the 3 litre air receivers. I expect they are fine for one, maybe two airbrushes at the same time. But they work exactly the same as the oilless compressor I removed from the unit I purchased. There less powerful in terms of watts and piston displacement. They maybe marginally quieter than the beast I removed from the unit I have. I'd have liked a Bambi 24 litre compressor, I just don't have the extra cash laying around at the moment. This idea is a compromise, but as best to the same as a Bambi compressor, just a homebrew version. I would have liked an oil site glass and oil filler port, but it's not a deal breaker. Any oil loss should end up in the airline trap. I don't expect there will be to much. Nothing mechanical last for ever, but hopefully I can get good service life from this diy variant airbrush compressor. If I can find this thread, once it's functional I will post a picture of it. Thank you for all the help and replys, much appreciated. |
| Berni:
Yep fridge compressors are fine, just do put a oil trap right after the output as over time they put out quite a bit of oil, the stuff is messy and gets absolutley everywhere. I simply 3D printed a 3 or 4 stage vertical oil trap from thigyverse and it works really well, not a bit of oil makes it trough, all of it flowing back into the compressor via gravity. |
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