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Need help with cfm

Discussion in 'Beginners Airbrush Questions!' started by peejay, Apr 14, 2018.


  1. peejay

    peejay Young Tutorling

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    Hey so having trouble deciding on a compressor due to unknown factors
    I have a badger anthem 155 which I plan on using wicked paints @around 50psi,
    Can anyone help tell me what cfm or litres per minute my air brush needs in order to run this?
    I won't be running constantly maybe a couple hours per weekend if this helps
    Thanx
  2. JackEb

    JackEb The Dragon Hunter Staff Member Admin

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    I checked the Iwata website and found this. It probably won’t be hugely different for the badger.

    Q: How much air is necessary to operate an airbrush?
    A:
    0.5 cubic feet of air per minute (cfm) at 30 pounds per square inch (psi) will propel an airbrush. You can work at lower or higher pressures, depending on the materials sprayed and the effects desired, but the cfm requirement generally remains the same.​

    Whatever compressor you decide on make sure it has a tank
  3. peejay

    peejay Young Tutorling

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    Hey thanx I've been trying to additional info to see if it applies to what I need.
    Is it a fare assumption that if .5cfm @30psi than I would need something with at least 1cfm to get 60psi.
    https://hobbytechtoys.com.au/royal-tc90ts-compressor-3-5l-tank-in-alu-case.html I've found this compressor in Perth but couldn't find any reviews online. Do you think this is in the ball park of what I need
    Thanx
  4. huskystafford

    huskystafford Mac-Valve Maestro!

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    60 psi 8 litres approximately 30 seconds full blast... I didn't count the seconds... But you need to take in to the calculation, you never do full 30 seconds blast.

    can't see your link, it timed out.
  5. peejay

    peejay Young Tutorling

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  6. peejay

    peejay Young Tutorling

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    My bad just read it properly 16lpm
  7. huskystafford

    huskystafford Mac-Valve Maestro!

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    60 psi working pressure 8 liters big tank. On your link it says 3.5 liters tank?
  8. peejay

    peejay Young Tutorling

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  9. huskystafford

    huskystafford Mac-Valve Maestro!

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    13 seconds would be correct if my logic is not screwed -.- There are guys here, which can help you more with this. I am kinda new. But like I already told you, when I shoot 60 psi pressure, that's like 30 seconds full blast. About cfm I don't have a clue. I just assumed compressors don't have problems with running airbrushes so I didn't check cfm info. Not to mention I run diy compressor with attached compressor from a fridge to a tank.

    If I would start over I would go 25 liters for t-shirts. Now I have 50 liters compressor in my wish list. It all depends how fast you are and how much you spray on one go. Less tank you push more compressor. Here many people shoot illustrations with 20 psi, so I ''guess'' they are good with small tank. They are also people which collect compressors like Mr. Micron lol

    You will get good answers and help, I guess they are sleeping or something. People here are all over the globe. Different time zones I guess.

    If I am not mistaken, people here are satisfied with 3.5 liters compressors for shooting 20 psi when doing their artwork.
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  10. huskystafford

    huskystafford Mac-Valve Maestro!

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  11. peejay

    peejay Young Tutorling

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    Sweet thanx there's not much info out there about running airbrush @60psi it's more of a generic 20 or so psi everything is based on. I know how much psi I want to use. Was hoping to get an average price silent compressor but might just have use a 25ltr or so noisy compressor.
  12. huskystafford

    huskystafford Mac-Valve Maestro!

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    you can do it with 8-10 liters if it's a hobby and not production.
  13. peejay

    peejay Young Tutorling

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    This might be a bit off topic but how does your diy compressor go?
    Was tempted to build 1 myself ( I'm a boilermaker/welder by trade)but didn't want to blow myself up with not knowing too much about safe working pressures and so on!!
  14. huskystafford

    huskystafford Mac-Valve Maestro!

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    this will help you. But bare in mind he is doing this professionally. He is doing a lot of t-shirts.
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  15. peejay

    peejay Young Tutorling

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    yeah only a hobby may only do 1 or 2 tshirts/caps per weekend
  16. huskystafford

    huskystafford Mac-Valve Maestro!

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    peejay likes this.
  17. peejay

    peejay Young Tutorling

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    Yeah that's what I'm after whether the compressor is able to achieve 50psi constant pressure
  18. peejay

    peejay Young Tutorling

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  19. huskystafford

    huskystafford Mac-Valve Maestro!

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    few beers to the welding guy goes long way :D
  20. peejay

    peejay Young Tutorling

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    Beers makes the world go round
    Or is that too much beer makes your world go round ‍♂️
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