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Single Stage & Cascade Cooling Single & Multi Stage Phase Change...

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  #1  
Old 06-22-2009
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Not up on this... see it pretty much sucks as far as temps go... well single stage anyway.. I suppose a cascade could rock the house a bit...

Anywho..

I bought a nice audo setup recently and can not use it.

Got good deal on it, I think.


Now I know phase is passé, single stage especially. Done water before and jumped in stupid, did not know about cleaning the rad out, was only a 1x120mm BIX rad, good pump though. All kinds of stupid I was and it sucked bad.

I know more about water now and thing I could make a go of it... but more for silence sake than extreme clocking, since there is not a big differnce anymore.

Guy ahead of me on CPUz for my chip has 700 MHz gain on a SS.


Yah I got the benching bug sorry, and summer is here...

In considering this deal, and someone selling and buying that does not know alot about it. I would trading HW in the range of $600.

Now I have seen SS go for in the $300 range like over a year ago.


So Iam leery.

Also, I understand the basics of refrigeration, from having to google things that extreme coolers talked about back in the day... but my terminology might be off, since its not "experience." So talk experinced to me, thats fine, I will try and digest, and will definitly say if I do not understand or need more explanation


1) I assume like all things there is a difference between capability, and capability under pressure. So in comparing 2 units, lowest possible temps might be = under no load, but one unit can keep it cooler longer (or lower temps) when load is applied?

2)Monitoring equipment becomes essential I assume when goign extreme. I stil lhave not gotten a good DMM, but will I have to get a thermal probe or something or is it it "fluff" like the ASUS LCDs or ABits fatal!ty display. (Or does the unit come with something adequate... need to ask thatI guess)

3) I am a tweaker and a modder. without brazing, how tunable are these things? Is it a matter of upping the fans on the condenser rad, recharging with a new refridgerant? etc How do I know If I can go get it "recharged?"

4) Refridgerants... I was told it was unknown but better than ____. I would think this would depend on the unit as a whole... or is it as simple as knowing the gas?

5) chilly1 evap still pertinent?

6) What are they worth?



Thanks to anyone that can help.
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Old 06-22-2009
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I'm not qualified to properly answer your questions but I won't leave them unanswered:

1) Yes, load capacity can be tuned for during the tuning process. What variables need to be adjusted for in terms of refrigerant psi levels and actual form function of the lines is a mystery to me.
2)Drnip, Punx, Buckeye, and prolly a few others can chime in for recommended DMM's. I picked up a black n decker from Sears but noticed the included temp probe doesn't read below 0c very well. So I'd suggest surfin thru the XS dude's screenshots for a proper brand. K-type probes are used for the sub-zero stuff.
3) The amount of Refrigerant plays a role in the capacity and depth of temperatures of the phase rig, a smarter more knowledgable refrigeration expert could explain this.
4) The Leet guys actually mix some refrigerants together to obtain a certain performance. The ratio's are closely guarded secrets.
5)Lotsa people still selling and using the chilly1 head.
6) Completed single stagers are apearing for around 400 bucks thru 1200 bucks (be careful of the Magna_Farce brand)

There should be a refrigeration basics link in the phase section also, FYI.
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Old 06-22-2009
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If you are looking to purchase a SS Phase contact Ron from www.Under-The-Ice.com.

I will add more tomorrow, past Buckeyes bed time LOL
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Old 06-22-2009
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I got my SS from sdumper. http://clubnboc.com/forum/index.php?topic=826.0 fantastic performance and a pleasure to deal with.
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Old 06-23-2009
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I n my multiple edits before I posted I must have deleted the point of the thread.

I have a chance to trade my audio setup for a SS. I am not sure if it is worth it or not however. So any pointers to look out for would be appreciated. I am going to check out those links though right after I get another cup of hangover juice.
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Old 06-23-2009
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specs on the SS you might trade for?
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Old 06-23-2009
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All I know is 1/2Hp rotary, Chilly1 evap and sometihng "better than R22"

I do not even know what to ask him to look for on specs.


http://ben.lostgeek.net/singlestage/111_0504.JPG

Hmm shows right on it R-22.
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Old 06-23-2009
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Some of the older SS Phase units were spec'd to loads that might not be enough to handle Core I7 CPU's.

When a unit it built it is ually tuned to a watt range so it can handle that load at a certian temp range. If the load is higher that what it was tuned for temps will end up warmer or even crash the unit.

What CPU's do you plan on using this unit for ?

For Core I7, C2D's you would want ~250watt load SS Phase, so some where close to that.

Here is a good example of what I am talking about.
I have a older SS Phase unit that is very, very nice, sweet case, controller etc. How ever it what we call a Chilly1 Phase unit. It will handle Dual Core setups very well. But throw it on a newer Quad and it will not be able to handle the load.

The Jinu SS Phase unit I had built was tuned for 250watts and handles everything I throw at it very well. I ran my QX9770 @ 4.9ghz 24/7 and it maintained the high -30c's to low -40c range depending on what I was doing. Core I7 chips are np problems for it either.

Some builders like Sdumper and Ron are building what they call benching units that are tuned to 300watt or more range. These make excelent benching units but are rather large for a 24/7 use.

So I ask what are the plans for the unit, 24/7 use or benching ?

Many of the 24/7 units were built to be in a small case and fit under the main computer case, or even inside. These work very well, nice and quit, do not use a lot of power or kick out a lot of heat.

Sorry if I went a bit off track, but all that is stuff to consider when looking at these units.

Do you have a pic or some spec's of this Phase at all ?
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Old 06-23-2009
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I speak before I looked at the pic., sorry about that

If that is what it is charged with, R22, ask him to turn it on and see what temp it holds unloaded.
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Old 06-23-2009
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what kinda temps did he get with it? Unloaded temps dont say too much the cryo-z gets pretty cool but load temps arent that great
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