Ahh it's all in the fun. Now I may only get 400 Mhz extra from it on this chip but it can be used on any cpu id like. If I put at C2d under it then I would get possibly more than 1000Mhz increase. It is much harder to predict what a cpu will do when it is in a below 0 environment. A few years ago there was a "cold bug" in some AMD cpus, they just got so cold they would not work. When you start get get below a certain temperature where the CPU is no longer hot you can add huge amounts of voltage to it. Who knows maybe AMDs new K10 chips comming out at 2 Ghz will scalle very well under the ice and I can get a 200$ chip that holds it's own with 4 Ghz chips. Only time will tell...

The risk is there, really the only risk is having water get on the motherboard and cpu, make sure you use lots of good insulation and dielectric grease and your fine. It's like all you buying new heatsinks and fans, water setups etc, to get some more Mhz. I just take it to the next level. Its not just about getting those few extra framerates, it's more like a hobby, trying endless combinations and mods etc to try and get that extra Mhz, that extra Megabyte of bandwith, or even a push to hold the record for having the fastest cpu on earth. I take responsibilty in knowing I may fry something/s and if it happens I will rebuild and do it again. I don't even have FSX installed right now, it's more fun for me to attain numbers than play games lol.  


Also back OT, my guages should be here tomorrow granted god does not strike down and unleash his fury on the FedEx driver:P We should have some frosty pics tomorrow!

Well sorry to disapoint you and myself. i got it all set up, vacuumed, charged and my compresor wont compress to the 200 PSI I am aiming for so im working on rooting out the problem, without pressure there is no liquid, with no liquid no evaporating, with no evap no ice   Ill post back on my progress

Oh no the compressor provides the PSI, and Propane since it is a hydrocarbon? can work with any oil, in this case Mineral. The old refrigerant wont get stuck in the oil and I had the whole system in a deep vacuum to ensure no pockets of gas remained. Now I finally got it working, was a silly mistake. Did not have a high enough static gas pressure(was trying 20-50 PSI, needed to be about 75) So It works and I got frost. Here are some pics, more to come tomorrow in the daylight.

This is during vacuum, you see the yellow goes to the pump and ive got a vacuum running from the high(red) and low(blue) sides. The colors are self explanitory, red and blue=hot and cold.


This is initial frost, it was still a tad under charged (to much vacuum on the evap) I changed it to about 0 PSIg by the next pic..this shot is after about 4 mins of running.


Any last but not least, I had a cup of soap water as a fast test of leaks last night. I put the evap in it to make some ice. I froze about half the cup before we decided to contine our experiments in the morning. As you see the large amount of frost build up all the way down the line. Holding your skin to the evap quickly results in a stuck finger or frostbyte. Estimated head temp at this time -58 degrees F, I could not find temp probe so no real readings tonight.

That is in the spirit of the homebuilt cockpit. Your Nutts, but somehow Im green with envy.

Thanks everyone! I charged it with a bid more gas, it will handle the load of a cpu better and it was makin frost all the way to the compressor. I got a reading of -40c this morning but I don't have the most sophisticated temp probe so I know the temps are lower. -40C is also -40F. At these temps you start to see fog flowing from the evap head. I will give you 100$ if you stick your tounge on it while running   I got the evap in its encloser and filled with some very dese polystyrene(1/2" totally blocks any feeling of cold) and some expandible spray foam. Toped off with a 1/2" thick peice of Plexi-glass as a mounting bracket. Get some pipe insulation, some dielectric grease and some electrical silicone tomorrow and we should be ready to roll. Then I need to remove my motherboard, prep it on both sides to be safe from the elements that extreme cold brings and mount the phase. This is the most dangerous part of the whole thing. All it takes is one drop of water in the right place and my mobo and cpu are toast. Grease and insulation will be used liberally. More pics to come.

kevin wrote on Jul 5^th, 2007 at 7:03pm:


Sussssshhhhhhhhhh.... he's working on the flux capacitor now.   

If only you had a Pentium 4.... (To get to like 5ghz).