Quote:
Originally posted by MadDogMe
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WOW!, I really expected it to be less when they were combined, I think some of it is the long legnth of the two tubes before they meet, stops the flow going out one side and back in the other, if they were shorter I think there'd be problems.
Would you try them with very short tubes Volenti?, to see what happens?, Please huh?  ...
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hmm, I shortened the tubes as much as I could (about half) reduced the static head by about 10cm (3'') but I did use 90 degree elbows to shorten the tubes, probably where the head loss came from...
however something else I observed while "playing" with the pump, was that as you progressively restrict the inlet, the water flow in the tube from the "weaker" outlet slows, stops, then goes backwards, re-circulating back to the pump, it appears that this mod may only be suitable for in-res use only, not in-line.