Quote:
Originally posted by chewyboy
bigben, thanks for the info, now a couple other questions. First i'm guessing that the wall thickness of aluminum for the fins should be thinner correct? and secondly what should the base thickness be also. I looked around and all i saw was thicknesses for copper. if there is already a thread covering this for aluminum please point me there because i probably overlooked it by accident. thanks.
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This is all going to depend on the rest of the equipment used. Like the pump ect.. I have had good luck with 1/8" and 3/16" for ther base with Aluminum with "MY" designs. Other designs will vary and I put ZERO scientific calculations into my blocks as I have no reason to waste the time to. Like I said I got 340mhz overclock at 42C (note temps are from onboard sensor on the 8K7A+ taken from MBM, but who cares how acurate they are with 340mhz OC!!) load at 2.0Vcore stable as a rock on a AL block in avatar and a 170gph pump. I do not require the wasted time in calculations!
But for the more educated like Bigben, Cathar, unregistered, myv65, and a bunch of others around here that are capable of figuring the science out and are willing to then more power to them. I hope they can help you your design. I have always been a trial and error person and it has served me very well so far.
If you have aluminum at your disposal then make a block or 2 with it. The corrosion is a mute point. It takes forever for any damage to occure. The worst part is the slime that builds up. I been using methonal in the form of windsheild washer fluid religously for a while now and it works well to keep it down. I use a Copper heater core on one and a brass heatercore on the other and the AL blocks. Havn't any big issues yet but I do change the water every other week because I am always changing things around.
Good Luck.