Quote:
Originally posted by gone_fishin
Ok here's what I did as a quick test. I measured out five liters in a bucket and timed how long it took for the hose from the shower head to fill it up, it took twenty seconds. Then I connected the waterblock and it took the same amount of time, no discernable difference but this was predictable. All this tells me is the flow rate at my showerhead in my bathroom and that the block is not restricting flow, am I correct?
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Well your block does restrict flow (every block does). It's just a question of how much.
Ok, so you tested 5L/20sec.
3.76L / US gallon, so 1.33 gal, over 20 sec, so 4GPM, or 240 GPH.
It would have been nice to see the time difference, then we could confirm the theoretical drop of 0.1 psi. I guess you'd have to test it over a few gallons of water (must be a pretty good block!)
After all that, you can measure the performance!!!