the issue with vacuum insulation is that any small tiny little hole will leak air into the chamber. Also, with all the surface area of the chamber, evacuating would probably just make the walls cave in. The only way to prevent that would be to put in some sort of spacer. But the spacer would conduct heat from the outside to the inside. Much less of a hassle to do as sweeper has done.
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I would love to see a picture of the wire loom and how it mounts to the metal wall without air gaps.
Also one quick question. I am assuming you are going to use copper pipe because of the pressure (though you could possibly use special braided tubing), what connector types do you plan on using ie:
Flared vs Compression
NPT vs BSP.
Ridged vs Soft copper
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I will use stainless line throughout the liquid loop with brass and copper fittings. All joints will be brazed, except the receiving tank will be end of the line and it will have compression fittings.
I've attached a few pictures of the wire loom as request...it may be a little confusing of how it will work, but you will get the idea once you see it installed.
Damn that's tight (must've missed to thread up until now).
But holy hell, you've got cash on your side for sure, and the tools to get the work done.
Keep us updated please
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I think I understand, you have differing size holes for the different diameter wires. 8 small holes, 2 medium size hole, and 1 large hole. You have the block split so you can put the wires through without taking off the male or female plugs.
What are the diameters of the small, medium, and large holes?
Are the two medium size holes for the pipes or are you going to have two separate holes just for them?
How do you plan to insulate the hole with and without wire going through them?
Last edited by AllAgainstPaul; 11-05-2007 at 10:50 PM.
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You got the idea The hole sizes are 1/2" to 1/4" and the two 3/8" holes are for the evaporator tubing. The insulating part is a little harder to explain. You have to keep in mind this is a double wall chamber system. The wire loom will be installed inside the inner chamber and the wires will pass through to the outer chamber. Inside the double wall system the wires will be insulated and sealed air tight. On the outer wall, there will be another insulated enclosure added for closing the penetrations on the outside chamber. Basically, there will be two insulated air tight systems for the wires.
Hope that explains it.
Last edited by Sweeper; 11-06-2007 at 05:21 AM.
can't wait to see temps
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Awesome work, I saw some of the earlier posts and nice to see it coming along quickly. Looking forward to seeing the end result in action.
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Sorry I haven't post any pics lately. I've been working on the system....but ran into a few problems. I had to completely rework the fluid distribution block and receiver tank, because they did not fit well in the cooling chamber and the Y-strainer interfered with one of the condenser coils. But, the system is starting to come together....pics will be updated soon!
I'm also thinking of changing the POE oil in the compressors. I read Solest LT-32 POE oil is designed for low temps and will extend the life of the compressor. I have a gallon of Solest 31-HE POE oil, but it is designed for medium temps and I'm not sure if I should take the chance of using the oil.
What do you guys think.....use the Solest 31-HE or buy the Solest LT-32?
Last edited by Sweeper; 11-12-2007 at 02:53 AM.
Update pics as promoised! As stated in previous thread, I had to rework all the liquid flow parts inorder for them to fit as planned in the cooling chamber. I will start on the mobo tray and routing the wires in the chamber this weekend. I'm also working on the compressors and hope to start up the cooling chamber to see what temps it will hold after the holiday.
Distribution block and stainless lines brazed
Receiver tank installed in the chamber
Distribution block, receiver tank and evaporator installed in the chamber
Later guys
great work
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That block is so sexy with those stainless lines.
My Custom Pressure/Temperature Charts for Various Refrigerants
QX6700 @ 3900 | EVGA 680i |2 GB Corsair 8500 Dominator | 7800 GT SLi | Silverstone 1KW | Seagate 7200.9 Barracuda RAID 0 + Hitachi Deskstar 2TB RAID 0 | SS Phase w/ Cryostar Evap | MIPS Full Motherboard cooling
My Fake Quad Core is better than your real Quad Core! **cough**Barcelona**cough**
Lian Li Cube Case with Phase and Water DONE!!
Thanks for the compliment! Glad to see people appreciate my work.
A few more stupid questions.
Why are there 3 ports on one of your distribution blocks but 4 on another?
Will the orientation of the motherboard be vertical or horizontal?
What are the dimensions of the inside of the chill-box?
How will you seal the seam of the box to cope with sub zero temps?
Will the box have an insulated metal panel like the other sides of the box or will it have a transparent window?
If it is a transparent window:
What type of material will you use for the window?
How do you plan to control the condensation on the outside of the window?
Sorry to take up your time but this is intriguing.
Last edited by AllAgainstPaul; 11-16-2007 at 03:31 PM.
__________________
Budgets, Bling, We Need Not These. We Have Science!
When the receiver tank was originally made, I added a extra port to access the tank from outside the chamber to fill the liquid loop. Not sure I will use it....if not, I will block it off.
The motherboard will be mounted vertical like most computer cases...I want to show off all the copper blocks and some other "Bling Bling" parts.
The inside dimensions of the cooling chamber is 16 1/2" H x 19 1/2" W x 15 1/2" D.
Are you referring to seam outside where the two chambers were assembled? If so, the seam will be caulked with silicone.
There will be a removable 1/2" thick transparent window which is made of laminated polycarbonate ( AKA Lexan ). Laminated polycarbonate is two layers of glass heat treated together with a rubber layer between them. This makes the glass stronger and acts as insulation when exposed two different temperature conditions. The glass is used in high security facilities such as prisons and jails. I should know...I build prisons for a living.
Hope this explains
Last edited by Sweeper; 11-16-2007 at 04:42 PM.
20 Logs on the fire for WCG: i7 920@2.8 X3220@3.0 X3220@2.4 E8400@4.05 E6600@2.4
Thanks CyberDruid for the support! The members of this forum inspired me to build this system....I just put a little imagination and skill of my own into the design.
Great project in making.
One thing I am not sure is how much turbulance of corrugated line will add to resistance of loop. Hopefully the pump is big enough to overcome it.
Last edited by Sweeper; 11-19-2007 at 04:23 AM.
Sweeper, you sick sick sick dude! I can't wait to see this done, it's gonna be mental!
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