I'm wondering if you could use fewer, but larger accross, tubes to reduce head loss due to wall friction?
For increased strength could you avoid machining away all the material from between the holes? Perhaps leave 20-30% now being machined out? Relize you have to remove a good deal to allow the water a escape route. But any not removed would increase the strength.
Is the top plate also made of polycarbonate for best strength?
I like the fact you again bead blasted the base. Another little detail to gain all performance you can get. May not help as much in this design, but any increase in surface area of the base in contact with the water should help some.
Sence87 or utabintarbo,
What plastic injectionable material would match the strength of polycarbonate? Unless high strength can be maintained the savings could be at the cost of dependability. My understanding is that polycarbonate is about the strongest of all plastics.
BE
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