Take a look:
Good start, Anthony!
Richard Nelson’s comment…
Wow, Anthony this is fantastic. Your fan unit needs to be selected for a motor that is sealed and water proof. Wiring connections made for outdoor condition and a ground-fault circuit breaker. Initially, before things get wet you can mock up the machine with a fan/motor unit that is at hand.
The screen is best made from reticulated foam sheet 1/8 inches thick and 20 pours per inch (PPI)： https://en.m.wikipedia.org/wiki/Reticulated_foam
Reticulated polyurethane foam： https://www.ufpt.com/materials/foam/reticulated-polyurethane-foam.html
Full Cone, wide spray angle, low-volume nozzle： https://www.spray.com/-/media/dam/industrial/usa/video—animation/fulljet-hh_standard-spray-nozzle_pattern_demonstration.mp4
Inline duct fan: https://www.amazon.ca/dp/B07PJ8M7L9
The differences between inline duct fans and duct fan boosters: https://www.acinfinity.com/blog/the-differences-between-inline-duct-fans-duct-fan-boosters
The waterproof fans can also be salvaged from old external heat pumps: https://en.m.wikipedia.org/wiki/Heat_pump
Next step: the screens for bubble exits and nozzles for soap liquid spray. Check this video and pay attention to the screen material that the Greenfire Farm project used: