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Originally Posted by Eddy_EK
There is another rewiew of that block at OC.
I can't believe that such a small difference could make so big difference in preformings. :shrug: 
Could dacooltech tell us what was the differences between those bloch to achieve that big difference... :shrug:  |
Indeed. The 1.2mm fins vs 0.8mm channels is the incorrect way to implement the design, especially if the channel height hadn't been changed to compensate. I hadn't realised that the designs were different. If Bruce had contacted me I could've told him that such a configuration would've been less than optimal. Still, a ~0.03C/W difference seems a little large to me - may have been some other variations present.
The WW overall is a very balanced design. Bruce/Cooltechnica acquired the machining duties for it from DTek, but it's also why every other WW Clone uses close to the exact same fin/channel dimensions that I originally established over 3 years ago. It's simply what works best. There are things that I'd change slightly, after 4 years experience with designing blocks, but I won't disclose them here.
The results shown now have me ever more convinced that something was definitely wrong with the Storm as tested. The pressure drop was close to double what it should be, and the results at 1gpm were not as good as it should be in comparison to the old WW Classic design.