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a 6.2 pound heatsink

B

Barnaby W. Füi

Elite Member
i was talking in #teamanandtech and this guy jar (AT username is jarhead) told me his cpu is at 28 degrees (colder than his mobo !) and he shows me this homemade heatsink he made. it weighs 6.2 pounds and bolts through the mobo to the case. 😛

he's working on a site right now, i'll add the link when he's done 😀
edit: ah dammit directory listings dont work, hold on a minute 😛

ok it should work now

another edit:

looks like he finished the site and got a spot on hardocp's front page. check it out here
 
!!!!!!!!!!!!!!!!!!
:Q

What some people do...
It reminds me of that huge thermalright pyramid shaped heatsink. Crazy
 
I'm kinda suprised that it works... The heat transfer between those plates cannot be that good. May it is because the heat is drawn to the top of the HS?
 
You say his CPU is colder than his mobo? What exactly does "mobo" refer to? Many people use that to mean ambient temp. It is impossible for an air-cooled CPU to be colder than ambient. his mobo temp must be near some sort of heat-producing IC.

How will he attach it to the mobo? I dont see any clips to latch onto the socket cleats or any holes for bolts to mount to the PCB.
 


<< You say his CPU is colder than his mobo? What exactly does "mobo" refer to? Many people use that to mean ambient temp. It is impossible for an air-cooled CPU to be colder than ambient. his mobo temp must be near some sort of heat-producing IC.

How will he attach it to the mobo? I dont see any clips to latch onto the socket cleats or any holes for bolts to mount to the PCB. >>


well when i was talking to him he said his cpu was 28 degrees and his mobo 34. i assume mobo temp is the ambient temp sensor on the mobo, any more specific than that, i do not know, but we all know that temp sensors on mobo's arent exactly correct down to the degree 😛 what it does say to me is that this is one cold ass cpu, 28 degrees on any cpu is REALLY cool. (its an XP 1800 or 1900, dont remember which)

what he said is that it mounts through the mobo holes to the case. again, thats as in-depth of info that i have 😛 these pics might have been taken before he made the bolt holes.
 
Holy crap; that thing might just rip the motherboard off of it's standoffs!:Q

And one of these days I'll learn how to read properly. "Bolts through the mobo to the case..."
😱


<---Prays to the almighty Bill Gates for bug-free strength.
 


<< Insane. :Q🙂 >>



Hope that isn't going on an Athlon!! If it is don't give link to here for core crushing.
 
He's obviously misreading his temperatures, being that the copper readily absorbs heat from the environment around it. I applaud him for the hard work, but he shouldn't pull our legs.

Plus, he's using sheet copper which is not likely purified copper. I grew up around a sheet metal business and have never seen 100% pure copper sheeting because its not manufactured. The sheeting always contains 1-2% of impurities, a factor which would greatly affect its thermal properties. (Bar stock is even worse, usually with 5% or more of impurities.) Not saying the 98% pure copper isn't better than aluminum at absorbing heat, just saying that it will not have copper's bold thermal properties available to 100% pure copper.

Give this guy credit, he did this work using .0205 and .0275 copper sheeting. I personally woud have used .040 because its so much sturdier. He did a decent job of not mangling his work. If you've never worked with .0205 then you know it bends really easily - almost as ductile as tin foil.
 


<< you cant have cpu temp's below ambient without some kind of "other" cooling solutions....tec....vapochill.. >>



Exactly. My computer has 4 times the about of Cfms running through it and I have never gotten blow room temp. It simply is not possible.
 
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