before

I've already prepared drawnings with expected size for pipes, item locations, etc.

Here's the check list. I'm now waiting for the needed parts.




Steps

1. Empirical agencement of parts following drawing expectations
2. Inter-parts piping
3. Case building (as expected or revised thanks to step 1)
4. Paintings (both case and compressors)
5. Modding TXVs (one for R1150 and one for R14)
6. Installation of parts into the case + brazing of prepared pipes
7. Empirical realization of a bench station on top of the case + evaporators piping
8. Finishing insulation
9. Vaccuming all stages + filling them with R290
10. Vaccuming again
11. Charging and testing

__________________
Best Regards,
Xavier

"I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." René Fonck (1894-1953)

before

Started the work about 1.5 week ago.

I'm currently trying to put parts as in the drawings to be sure everything fit prior to work on the case.

__________________
Best Regards,
Xavier

"I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." René Fonck (1894-1953)

before

R50 evap in front of R14 evap (to be finished)

Captube won't act as an expansion metric... but as a hand controlled bypass to put some hot refrigerant into the evap if needed to fight CPU cold-bug.



HX pressure testing.

__________________
Best Regards,
Xavier

"I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." René Fonck (1894-1953)

before

Yesterday I've started working on the box for the three HX. It misses the third one; the others have been fully tested and proved to be leak free.



I've started positioning parts of the box second level.





I'm gonna have to prepare a second insulated box for three liquid recievers.

__________________
Best Regards,
Xavier

"I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." René Fonck (1894-1953)

eclipseaudio4

4 stage Holy crap my friend. Sub'd
What temps are you looking for?

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dr papadakalis

oh my god! thought my phase unit was beast..... subscribed for sure!

what temps are you shooting for?

Kriegen

what are your target temps and how much is this costing you to do?

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Core 2 Duo and Quad Overclocks by week

Alabama Overclocker

NoL

Let's see...
-185C in vacuum? -150C to -160C load if the flows good?
Looks great Before. Those look like some insane expansion tanks
Hell of a condenser too! Good luck to you sir. Consider SLHX after receivers to help pass the heat down to the first stage.

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Evocarlos

nice one before
looks great so far

and i recon the temp will be around -165 -169

big lots of elec to run it all

before

Thanks guys

Well not easy to say actually. Gonna use parts from 2 other cascades of mine (a 2-stager and a 3-stager), but I need to spend about USD1,800 for the remaing (R14 for instance which is badly expensive).

Well not that cold; -145C to -150C would be good enough. R50 is a mystery for me as it needs quite a lot from guessed Tc to Tatm in comparison with R1150 or R14 (which is very easy to use). Will see; of course if a colder range is possible then I'll be even more happy Furthermore, you know, theoretically (with a CPU that scales well with temp), the colder the temp, the higher CPU heat load to remove... So a good flow is mandatory.

BTW, the unit will be built so that each stage will have its own CPU evaporator... that's the most important for me, much more than low stage temperature.

__________________
Best Regards,
Xavier

"I prefer to fly alone... when alone, I perform those little coups of audacity which amuse me..." René Fonck (1894-1953)