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Questions about building a phase change system for CPU cooling

post #1 of 4
Thread Starter 
ok i know how phase change works pretty well, just have these questions:
1)What refridgerant should i use? I heard R-134a is good, but idk..,.some1 used propane LOL but i dont think im that crazy
2)What compressor should i use? I have heard that if the refridgerant is a certain kind you need one with mineral oil or something, whats that all about? with your answer to #1 can you tell me a corresponding type of compressor that would work with it
3)how much (if any) money do you save building phase change system as opposed to buying one? how much performance gain/loss do you get? do you have to spend more to build it better or can you build a unit that cools better than a bought one cheaper?
4)how do you acheive dual evap? it seems darn near impossible (very hard) as it evaporates passing the CPU and then in less than a second, the gas traveling to the GPU, it has to recondense?!! even a very thin tube could not acheive this. SO, is it a coil you neeD? if thats it im good then. Is it just like the other condenser after the compressor? or do you need a second compressor after CPU cooling and then a condensor then GPU and then back to the original compressor and cpu condensor, and to CPU and so on.
5)If you read though this, i will give you rep. thanks all!
    
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CPUMotherboardGraphicsRAM
Intel C2D e6400 GIGABYTE GA965P-S3 nVidia GeForce 7600GT 1 GB DDR 800 OCZ Gold 
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post #2 of 4
I'd PM ThaWaxShop if I were you... he'll know
    
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post #3 of 4
agreed ^^^^

i can tell you a few things since i looked into alot of this before, one the price to build one will end up being close to buying a new one if you dont allready have the tools and you will need some tools to do this right but it can be done and once you have the tools you can do it again alot cheaper

r134 is legal to buy w/o a license and relatively cheap not the best but it works pretty good,

a custom phase unit will be better tuned for your taste and setup there for will be better price/performance ratio and thats where someone like jinu117 comes in, theres several people around that have his stuff and he makes some nice rigs, this is the route i would recomend since you wont get a warranty buying a phase unit from a store anyways

as far as a dual head goes it doesnt get routed like a water system does your actually using dual heads coming from the compressor i believe but i havnt looked into that much since i doubt ill ever use it

i can say i like my machIIgt but on retrospect i would have ordered a custom one for the same price and prob got better performance for the price and a little bit better setup but oh well live and learn right

thats about all i got now
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post #4 of 4
You can get a custom built for you for ~400 CAD.

Like this one.

Or you can read up here to make your own.
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