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I find JoeC's comments somewhat contradictory. He comments on the need for powerful pumps for blocks that will happily run at the 1GPM that he tests at when driven with even quite weak pumps.
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I concur. Correcting his comments at the end of his article is becoming a daily event...
unregistered: I was thinking you meant that, but some of your results have begun to surprise me. It started here:
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It can bee seen in the above graph that the flow resistance of the MCW5002™ is higher than the earlier version of the MCW5000™, due to the greater flow being forced through the Diamond Pin Matrix ©. This has the effect of increasing the flow velocity and improve heat transfer.
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The pressure drop does seem to actually be LOWER than the 5000, according to Joe's setup, and common sense. Also, there's that 34" drop on Joe's testbed, compared to your 20". Maybe Joe's testbed has gone wacky... I feel somewhat obligated, as a consumer, to not trust the results of the corporation that made the product.