Ratax's first chiller

[Ratax]

Here are some pics of my first phanse-change system.

Compressor: L'Unité Hermetique (Tecumhse) CAE2420Z 3/8cv r404a Low Temp
Cap tube 0,09, I think, with 2,75meters
14L Condenser
30gr drier
Evaporator done with 3/8tube

I can reach -39ºC in evaporator when there's no liquid, in the first run.
With metanol I can reach now -41ºC, measured in the center of the liquid.

http://clientes.netvisao.pt/ratax/RataxKryo/chiller/01.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/02.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/03.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/04.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/05.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/06.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/07.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/08.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/09.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/10.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/11.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/12.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/13.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/14.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/15.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/16.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/17.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/18.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/19.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/20.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/21_41sub.JPG
http://clientes.netvisao.pt/ratax/RataxKryo/chiller/41sub.JPG

Now it's time to regard if there are some leaks and the arrival of my board for the SLI system.
This will chill (I hope) two 6800GT's :)

I would like to know what you think about this, and if there's something wrong with the system.

[JSU]

nice job!

[Ratax]

Thanks! ;)

[FallenAngel]

Awesome, keep the good work

[iNF3rN0]

Thats nice and clean. I wanna make one the size of a promy or possibly slightly bigger but i just need to know where to get a small but efficient heat-x and a good compressor

[gkiing]

Great job, your chiller looks very professional and well construced. Just be careful of your plastic resevoir it may crack easily at those temperatures.

[Ratax]

Thank you all!

I'm thinking about a metal paint can for the reservoir... any ideas about what other thing can I use for that?

[Onycho]

Try igloo insulated drink containers or such....seems beer containers are popular cause even if your system dies, you still have something to keep the beer cool! :toast:

[gkiing]

Indeed, beer would get quite cool when submerged in -41c methanol. A tube in shell or coasxial evap would be best, but you would still need a resevoir. I think that the paint can idea is a good one, especially since it could be made liquid tight.

[Ratax]

Now, after calibrating gas better, I can reach -50ºC.
The cap tube that's outside the reservoir gets frost... it is bad that this happens?

[Epsilon]

put a heat-load on it, If the temps rise and rise, the captube is too long :)
if it doesn't, it's ok ;)