I am going to make a couple of tops to go with the 1.5mm base.
first keeping the squashed inlet but one with 1mm and one with 3mm jet at the end.
then i will make a 2 piece top very simular to the white water. the quashed inlet will increase velocity but it's a smooth transition. with the jet plate it will create turbulance as it hits the smaller jet hole before it enters the base fins.
I am not too happy with the copper tubes as inlets. They work very well but the araldite instant i am using goes a bit soft where it's in contact with the water. I might cover the areas after it has set with silicon to protect it.
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