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custom heatsink

T

theyellowdart

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Joined
Dec 8, 2003
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I have access to my dad's machine shop lab, and I could very easily machine my very own heatsink for very little money. Would it be worth the effort and where could I get some good plans?
 
I don't think there are good plkans for sinks. Design one yourself. From my experience, it's so worth it... I've got a custom HS in my comp, and it rocks... a central tower-like heatpipe (his was built before the DP-101 or whatever it's called came out), with copper fins. I get 4 °c over case temps at load with an xp2k+ at 2 ghz.
 
Originally posted by theyellowdart
I have access to my dad's machine shop lab, and I could very easily machine my very own heatsink for very little money. Would it be worth the effort and where could I get some good plans?
Click to expand...

Just a suggestion, but you may get better luck with making your own waterblocks first. I'm also assuming you've got plenty of shop experience...which is probably the case.

Why waterblocks first? Mostly for "safety" purposes. Water has a much higher convection coefficient (h value) than air, and you won't have to be as precise with your work as you would when cutting microfins on an air-cooled heat sink. This is not to say you can just slalom an end mill around a piece of copper stock. You'll still need to do some number crunching to determine optimal flow channel design, whether or not you will include turbulators in the channels, and much, much more. To top it all off, you also need to consider what sort of head loss your block will have on the loop. And then, after you make the thing, you have to make sure it is watertight.

This is just my opinion, mind you.
 
how would I go about designing my own heatsink, are there any online docs on some of the basic things a heatsink should have, and what is this dp-101 thing? Thanx in advance
 
the DP-101 is a commercial heatsink which consists of a huge heatpipe attatched to the proc, tower-style. This hat copper fins, with two fans on opposite sides. works best when the "tower" is vertical.

I don't believe there is anything on the net that's easy to find, as your physis professor, he/she should know.
 
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