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Originally posted by bigben2k
He he, I hear you
The problem with the spiral is that it leaves no fins in the center, and more importantly, no continous fins (the pin is a substitute, but with partial performance). That's a limitation of the radial design.
It's a critical area of the block, because it's over the core. Without it, you won't even beat Radius
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The performance has to be seen. I think this design has less hard direction changes in the flow, and an easier entrance path. That leads to increase overall flowrate. But you pointed the main problem with this designs: As more channels are used, the center empty space is bigger. If they are too few, the pressure drop increase. I found that a good tradeoff was 12 channels, but testing could say something different.
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What are you going to use for the molding material? What temp does this plastic stuff melt at? What temp does silver melt at? Are you going to have it pressure casted so it gets all the bubbles out and maintains a level of density? How much does casting cost?
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I dont have the answers yet, but this material is going to be for the original, from wich the mold is going to be made, it don't need to handle temperatures.
As I told, she is the expert. Now where I left her phone number?
