Quote:
Originally posted by leejsmith
any thoughts ?
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The impingement cup design is hard to get right. As I stated elsewhere, it's hard to totally screw it up, but getting even what seems like minor things wrong can result in 3, 4, or even 5C worse temperatures than what's really achievable with it. Everything has to be in balance, or performance rapidly falls away from the design's high-point.
The fin design is more tolerant.
As a starting hint, look at the amount of copper between the cups. How wide is it? How does that compare to your finned attempt?