Hyper-el-cheapo CPU water cooling block - Overclock.net

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post #1 of 43 Old 10-24-2006, 03:44 PM - Thread Starter
 
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I posted this on another thread. But, wanted feedback on the idea. It seems sound. And inherently leak proof. Please read and fling your opinions at me.

1) Take standard 1/4" copper tubing and form a CPU sized spiral. The center of the spiral is where the tube bends straight up and away.
2) Melt a load of solder onto the bottom of the spiral.
3) Belt sand the solder side
4) Lap the solder side
5) Take the stock HSF from intel (for example) and tear out the copper core leaving only the spring clip.
6) Put some AS5 down and sandwich the copper spiral between the CPU and the spring clip.
7) Clamp on some hoses and feed them to an el-cheapo pump and reservoir.

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post #2 of 43 Old 10-24-2006, 03:56 PM
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the solder MIGHT melt if anything goes wrong lol, that would suck

its worth trying however, you would have to get really good conductive solder tough.

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post #3 of 43 Old 10-24-2006, 04:00 PM
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no it woulnd melt

no was it would get hot enough

It would probably work better if you melted a bunch of copper on it instead of solder

BTW who runs a 1/4 CPU block unless they have a cheapo kit
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post #4 of 43 Old 10-24-2006, 04:01 PM - Thread Starter
 
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Quote:
Originally Posted by thehybridpyro
the solder MIGHT melt if anything goes wrong lol, that would suck

its worth trying however, you would have to get really good conductive solder tough.
Anyone know the thermal conductivity of silver vs copper?

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post #5 of 43 Old 10-24-2006, 04:03 PM
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Hi Franken, The only problem might be in the heat exchange of it...You want the water to stay over your chip for a short time to maximize the heat dissapation..The thinner the bottom of the WB in general is the way to go..Thats why a pure impingment WB cools the best but ruins the flow...An example is the Swifty Storm...

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Makes sense. Trolls have nickel plated red blood cells. Helps their copper based hemogoblin deal with the high aluminium content in their spleens.
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post #6 of 43 Old 10-24-2006, 04:03 PM - Thread Starter
 
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Quote:
Originally Posted by born2killU
no it woulnd melt

no was it would get hot enough

It would probably work better if you melted a bunch of copper on it instead of solder

BTW who runs a 1/4 CPU block unless they have a cheapo kit
High temp silver solder wouldn't melt. But you would need a butane torch to braze it on. 1/4" is the copper pipe diameter. The diameter of the finished spiral would be about 1 - 1.5 inches in diameter.

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post #7 of 43 Old 10-24-2006, 04:06 PM - Thread Starter
 
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Quote:
Originally Posted by ira-k
Hi Franken, The only problem might be in the heat exchange of it...You want the water to stay over your chip for a short time to maximize the heat dissapation..The thinner the bottom of the WB in general is the way to go..Thats why a pure impingment WB cools the best but ruins the flow...An example is the Swifty Storm...
Yeah...so you would have to belt sand the block far enough to cut into the tubing and you would not know how dangerously thin that wall would be.

Not a high performance solution. I guess the question is, would it be better than an heatsink/fan solution?

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post #8 of 43 Old 10-24-2006, 04:08 PM
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Quote:
Originally Posted by FrankenPC
Yeah...so you would have to belt sand the block far enough to cut into the tubing and you would not know how dangerously thin that wall would be.

Not a high performance solution. I guess the question is, would it be better than an heatsink/fan solution?
I cant answer that I'm not sure...Might make an interesting experiment to someone...

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Makes sense. Trolls have nickel plated red blood cells. Helps their copper based hemogoblin deal with the high aluminium content in their spleens.
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post #9 of 43 Old 10-24-2006, 04:24 PM
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Quote:
Originally Posted by FrankenPC
Yeah...so you would have to belt sand the block far enough to cut into the tubing and you would not know how dangerously thin that wall would be.

Not a high performance solution. I guess the question is, would it be better than an heatsink/fan solution?
i might give it a try
what does copper melt at? and if i cant melt it at home what kind of place can melt copper?

also high silver solder should have better thermal conductivity then regular solder, not as good as aluminum or copper though

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post #10 of 43 Old 10-24-2006, 04:24 PM
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Quote:
Originally Posted by FrankenPC
Yeah...so you would have to belt sand the block far enough to cut into the tubing and you would not know how dangerously thin that wall would be.

Not a high performance solution. I guess the question is, would it be better than an heatsink/fan solution?
It would depend on your pump & rad, and it would depend on how well built the home made block is. Also silver is better than copper for thermal Xfer

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