"more than 24 meter copper pipe...triply parallel through 60 pipe rows"
Even "triply parallel" 24 meters mean each run of tubing would be 8m long and have 18 (60/3 - 2 (assuming no bend at inlet+outlet)) almost-360-degree bends. Beats me why they didn't just manifold it.
The nexxos xp (
procooling review) looks to be even more restrictive than the Storm - not only is it an injector-plate design but the inlet is offset - so the water flow hits a restriction and immediately has to make two right angle turns, go through the plate and do "whatever" in the grid.
From the review (and my guesses about the radiator) you'd need at least a MCP 350, which, unfortunately is not reported to be
that quiet. So maybe a sound enclosure for it? Or possibly the MCP 600, which is reportedly quieter - and I
think there's a new version of the 650 out which is supposed to be quieter than the "old" 650 - has a built in "speed control dial" apparently, so you can find your own balance between performance and noise.
You might also think about the new CSP-MAG pump (
systemcooling review - which is reportedly
very quiet and has a pressure head similar to the Eheim 1250 (half of the mcp350) - so look at the "1250" performance for a relative notion of how it might do with your restrictive setup.
Quote:
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Originally Posted by wengchiochan
oh, one more thing, u will have to use 1/2inch ID tubing if u are gonna use D5, using smaller hose on D5 will just decrease its performance badly which loses the point of getting D5
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Got numbers/measurement for this? In the above system (parallel flow through 3 sets of 8m tubing with at least 18 tight bends and a nexxos xp) I'd be surprised if even someone with very good instruments could measure the flow difference between, say 1.5m of 1/2 ID tubing and 1.5m of 3/8 ID tubing - let alone there be a temp difference.