Test Report: EK D5 X-Top Rev.2

[Martinm210]

Now to encourage some future possibilities

Who's going to be the first to put the DDC in it's rightful place and develop a pressure oriented impeller (something more like the RD-30 or DDC) impeller with longer deeper vanes that are more suited for pressure intensive applications like we have in water cooling???

I'm not sure the impeller upgrade is something that can be reasonably fabricated for a marketable price, but it seems to me if you could surpass the DDC performance, folks would be willing to spend a few bucks. I'm not of experience to understand the motor differences, but something still seems appealing about the D5 motor that is calling for attention. The weakest link in the D5 pump appears to be the impeller, moreso than the volute. Just look at that curve, so much power wasted at high flow rates we can never use. Just imagine the possibilities with an RD30 like impeller and one of these great new tops..

Iwaki very routinely designs one pump and several different impellers that go with that pump to tweak the curves. Seems like the D5 could be tweaked much the same. And that would be more than simple efficiency gains, that would provide the possibility to completely change the curve. Something with a large hump right 1.5gpm and maxing flow around 3gpm would do just fine...

Nobody has taken that step yet, what about that poor, always ignored, crying for help, IMPELLER!!...

Ok, enough...just wanted to encourage some future tweaks to consider. Impeller upgrades have simply been ignored in all of watercooling aftermarket parts and I'm just curious about it...

Cheers to the next steps in making this great pump even better!
Martin