Build or Modify

Anthony Paul’s build of bubble generator with wood, first try!

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):

Reticulated polyurethane foam:

Full Cone, wide spray angle, low-volume nozzle:—animation/fulljet-hh_standard-spray-nozzle_pattern_demonstration.mp4

Inline duct fan:

The differences between inline duct fans and duct fan boosters:

The waterproof fans can also be salvaged from old external heat pumps:

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:

By Jun Aubrey Zhang

Since obtaining PhD in Electrochemistry in 1994, I have been through many things, such as post-doctoral research work using STM to study atomic level electrodeposition of Cd on Ag(111) surface at UIUC (Urbana-Champaign at University of Illinois), lifetime free-lance preaching, CEO of TheoLogos Publications and PyraPOD Global Inc, former salesman of diamond tools for Superprem Industries, former CEO of DiaSolid Kitchen & Bath, finishing carpenter, working for CRE Green, a solar company in Kelowna, BC. Now I have started this new business along with Richard Nelson, designing and manufacturing PyraPODs. After all these experiences, my life motto is this: sharp mind must combine with skilful hands. With my wife Margaret we have three kids - Riley, Grace and Anita.

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