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I've been working away at setting up this scientific testing station so that I can get some more scientific results to work with when designing impellers.
I was able to capture results for the stock impeller that comes included with the seaflo 2000GPH bilge pump. I then tested a 3D printed impeller and found it performed objectively worse in almost every way, while actually consuming more power than the original one!
It was back to the drawing board where I made some design changes and came back with a design that was more powerful AND more efficient! Now I will be spending some time makeing one change at a time to track down what is an improvement and what makes things worse until I settle into a design that can be tested against the stock impeller in an actual dredge suction jet!
For now, I found that an 11mm nozzle size (~7/16") worked the best at producing the most work.
Until next time, thanks for watching!
My Patreon: / utmostoutdoors