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I want to create a soap blaster using:

  1. a 1" hose with 8 bar compressed air
  2. a non pressured container of soap and water mix
  3. without the use a pressurized tank

I.e. something like this sand blaster: enter image description here

where the sand is picked up from the vacuum of the air flow. The question is really which laws of physics apply in this creation and how can I calculate the dimensions for my soap blaster with the maximum allowed pickup of soap mixture at the lowest noise level?

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