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> XTREME COOLING: Phase Change, Introduction and How to's

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aleck
post Feb 11 2007, 08:42 PM
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My vapo LS (modded) will be arriving in one months time...

be prepared for sub -50 temps...
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amok
post Apr 17 2007, 04:09 AM
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hrmmmph.... 4GHz? paiseh.
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QUOTE(bulkhy @ Feb 9 2007, 03:32 AM)
i'll b bck smile.gif
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QUOTE(aleck @ Feb 11 2007, 08:42 PM)
My vapo LS (modded) will be arriving in one months time...

be prepared for sub -50 temps...
*




brows.gif brows.gif you guys aren't the only two whose making a come back... brows.gif
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emilz
post Apr 17 2007, 10:13 AM
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TJ-09 is mine mine.....
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bro post sum result here dude
we all want to see liue
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almostthere
post Apr 17 2007, 11:25 AM
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Take a hike, wang-broom!
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QUOTE(amok @ Apr 17 2007, 04:09 AM)
brows.gif  brows.gif  you guys aren't the only two whose making a come back... brows.gif
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tok only....MIA for 6 months and mau ajak yum cha/DIY session like wan to die only. Bro sponsor zip ties can? And apa betik phase on Brisbane?
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hafiez
post Jun 23 2007, 12:07 AM
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Meet Dinga™
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aiyoh.. no result lagi ka? is it trying to reach 5GHz by using AMD? but lately, tomshardware already reach 5GHz using this method also.. if im not mistaken.. but i guess, tomshardware story still new.. ur already 2years ago.. hehe.. u rox. sometimes i see malaysian modders more pro than outsiders.. icon_rolleyes.gif

This post has been edited by hafiez: Jun 23 2007, 10:50 AM
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extremeocer
post Jul 7 2007, 03:30 AM
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comeon guys....time to build a cascade cooler....temps around -70c easily. depends onwat refrigerants u use...i am using r22 on the 1st stage and r410a on the second....i get -75c in windows. I am trying to find r744a (nitrious oxide) as the boiling point is around -88c.....

Added on July 21, 2007, 2:43 pmhere's a pic of my cascade:

user posted image

Still changing here and there...trying to get the best temps possible...but i doubt i can achieve much using r410a. Need at least r744a to reach -80C or r1150 to reach -100C

This post has been edited by extremeocer: Jul 21 2007, 02:43 PM
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kerryking
post Jul 24 2007, 12:18 PM
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looks gd....
wanna planned to make one but still got no idea yet...lol
extremeocer mind teaching me? hehe
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extremeocer
post Jul 24 2007, 04:57 PM
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QUOTE(kerryking @ Jul 24 2007, 12:18 PM)
looks gd....
wanna planned to make one but still got no idea yet...lol
extremeocer mind teaching me? hehe
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no prob....waddaya need to know? tongue.gif
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kerryking
post Jul 25 2007, 12:19 AM
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wats the cost like, to build one?
cheaper than getting a vapochill LS?
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extremeocer
post Jul 25 2007, 11:41 AM
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QUOTE(kerryking @ Jul 25 2007, 12:19 AM)
wats the cost like, to build one?
cheaper than getting a vapochill LS?
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First, tell me how much does a Vapo LS or Prommy Mach 2 GT cost. IIRC, its around RM3000?
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kerryking
post Jul 26 2007, 01:29 AM
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Vapo Ls & Mach2Gt cost about RM3000 i think..

This post has been edited by kerryking: Jul 26 2007, 01:37 AM
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andre X_X
post Jul 26 2007, 01:41 AM
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nice cooling setup Extremeocer.... R744 is good, but you will found wall with dice problems, it sublimes @ -78c, so you wont achieve near to it when loaded. some where near -55c @ 185w would be realistic... anyway, why dont you use R410 on your 1st stage? its much colder than R22...
making cascade isnt that expensieve, the tools/refrigerant that makes it expensive.
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extremeocer
post Jul 26 2007, 01:43 AM
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it's around USD$700...so estimated almost RM3000. Building a phase change system can be real fun not to mention challenging.

Vapo LS and mach2 GT cools at around -30c on full load. Well, a selfmade one could cool at -40c and cost much cheaper. Now, the problem is that the tools cost quite a lot. Once you have the tools, then building a phase change cooling system will be very cheap. It's only a one time start up money that you hafte invest on.
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alive88
post Feb 15 2008, 03:59 AM
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Pata Pata Pon! Pon Pon Pata Pon!!
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still pinned? whistling.gif

is there no other people can continue this project?interested

This post has been edited by alive88: Feb 15 2008, 04:00 AM
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kmarc
post Mar 15 2008, 10:04 PM
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Technology is too slow!
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Affordable phase-change on the way? shocking.gif

How about compact affordable phase-change cooling? See here : http://www.tomshardware.com/2008/03/14/the...change_cooling/
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xixo_12
post Apr 9 2008, 09:56 PM
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got no ppl want to play with it.. summore sure cost a lot to electricity..am i right?? hmm.gif
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Bigblock
post Apr 10 2008, 01:49 AM
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QUOTE(xixo_12 @ Apr 9 2008, 09:56 PM)
got no ppl want to play with it.. summore sure cost a lot to electricity..am i right?? hmm.gif
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Its like running a small fridge right? correct me if i am wrong hmm.gif
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IcEMoCHa
post Apr 10 2008, 08:58 AM
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QUOTE(xixo_12 @ Apr 9 2008, 09:56 PM)
got no ppl want to play with it.. summore sure cost a lot to electricity..am i right?? hmm.gif
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wrong... it doesn't consume that much electricity as its not always on... its much more efficient than TEC coolers.. no people play with it because its risky unless you have a temperature controller which shuts off the compressor as it reaches target temperature and turns on when its above...

This post has been edited by IcEMoCHa: Apr 10 2008, 09:01 AM
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ultralow
post May 25 2008, 02:50 AM
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>>anyway, why dont you use R410 on your 1st stage? its much colder than R22>>>

you can't use R410 on the 1st comp. very high pressure, you can use R134a and R23 if you like to hit -70, but have to change the comp. oil.

PM me if you need small digital temp. controller.
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ne0cz
post Jun 5 2008, 10:07 PM
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Uh, I think I will pokai trying out one of this...budget only 200ringgit...but I still favor air or water(liquid) cooling.........Just so cool. This type makes your rig look like a science experiment. xD Much rather stay with water/
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