Interesting, I like the experimental studies. It makes the whole subject worth a lot when you can see it being applied, I also really appreciate that write up you posted pond. Info like that I find fascinating, thank you sir for taking the time to post it
Noticed a couple things on the hose test, (1) water OUT flows on our skis is mostly horiziontal not vertical. (2) a pisser fitting pushed into a hose will cause a restriction and pressure/water backup will help water find the T out. (3) Water output off the pump is variable not constant like a garden hose, so with higher rpms water will be again, forced out the T.
I've only ever looked at flow on the trailer like the Buzzard mentioned.
That hose flow photo was quite alarming and intriguing
If you're trying to accomplish equal force in each outlet, you can use a Y fitting instead of T. Most people prefer the majority to go to stinger or pisser, but some like it equal. I use a Y because I only have one water inlet through firewall, split to dual manifold cooling.
Finally a real world test.
But on the jetski the pisser provides enough back pressure for low pressure side to flow water.
The Blowsion diagram was designed by me and that’s what testing showed was most consistent performer.
As you use the same water routing with or without control valve
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