Why would making the base thicker improve performance? The idea was to have as thin a base as possible. That would reduce the temperature gradient within the copper base, and get higher temperatures to the water. As we know, heat transfer is better with a greater temperature differential.
I have the Ahanix Iceberg1 kit. So the pump is underpowered (just 3ft. of head) and the radiator is very small. I just put a second fan on the radiator and now my temp is 43C. BTW, this machine folds, so both processors are at 100%.
I think that with a Eheim 1048 and a decent rad I'll easily be in the 30s.
In this version of the block I did *not* make the cross scoring as indicated in the drawing. The base is smooth on the inside. I wanted to see what kind of flow I got with it smooth. Now, I can make another with the cross scoring and see what effect it has on the flow rate. The cross marks are just very lightly scored into the base plate. No real ridges are being made.
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