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Old 02-19-2010
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great stuff man.... in for the duration

I have been doing HVAC work for years but this is compltely different. I just recently built and SS with a friend who basically told me where to put the stuff and I put it together. We think there may be a leak but are continuing our diagnostics. Wished I lived closer than it would be easy but that is not the case. Hoping to have it up and running soon but early indication of some great preformance.

One thing maybe you can answer for me is on the load testers. I have seen that not once has the imediate mass of a CPU been duplicated or even atempted to be duplicated in a load tester, As a hunk of copper will disapate heat at a different rate than a CPU, as every base element has different thermal dinamics. Would this make conclusive results next to imposible? Really we are testing how much load the unit in question can disapate for the mass of the hunk of copper with a said load on it. if it were made of lead, nickel or zink we could possibly see three different results?
Possible ???

Also most of these evaps have not been enginered to meet certain requirments so would it be possible to get different results with the same eveporator give it would be used on the same unit. or are the manufacturing of these very controlled enviroment & why is there not factory testing and data on said evaps.

Sorry for being so long winded really caught up oin this stuff now as it fasinates me how home brew all this is as in my world of refrigeration unit for Commercial and residential use is all preformance rated with set charging weights and specific metering requirments ....

I was in total disbeleif when I asked gun the charging requiments and the answer was we have to dial it in on the fly ..... and metering is a best guess situation ????

Sorry if this goes off topic a bit just trying tio understand the logic and engineering behind these machiens. It should not be hit or miss ????
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Old 02-19-2010
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So many questions LOL

OK as far as evaps go I have not seen any data that shows these are engineered for any system. From teh early ones that are still used today made by Chilly1 we have no clue really on how he came up with that design.

Many use that evap because its cheap and easy to get. I am not trying to say it performs good or bad, I am just wondering why.

A huge number of different evaps out there are simply made by hand, the design looks good, they cut it and mount it on a machine and go either its good or bad.

Some of the really nice looking ones that I have seen, complex maze types look beautiful and some say they perform well, or its nice but very hard to keep liquid refrigerant in it. Things of that nature.

So builders use what they can get basically. Some building higher end units might use a different evap that a Chilly1, who knows.

There might very well be a manufactured load tester that tries to match how a CPU actually emits heat, I don't know. The load testers that we normally see builders use, and the one I am making now supply a heat load and call it a day. This works for what it is intended for, they are cheap to make and a need tool for a builder who is tuning his system so it can handle the loads of a CPU.

The final test is always on a CPU as that is the intended use for it.

The goal is to be able to see just what the heat output of a CPU is and I do have a few things coming that will show some very interesting results. I am not sure if actual CPU wattage is possible tho with what I can use here at home.
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Old 02-19-2010
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O..... so these evaps for the most part are made in garages not on assembely lines ???

That exsplains a lot bro. The one we used gun got off some dude in Austrailia....

Kaly1 or something like that.... Gun calls it a stepper. He prefered it over the chilly one for some reason or another. can't wait to see more results and iff you have an i7 in the bull pen .... not to mention the 6 core beasts that are coming.............

Great stuff ......
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Old 02-19-2010
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Quote:
Originally Posted by Witchdoctor View Post
O..... so these evaps for the most part are made in garages not on assembely lines ???

That exsplains a lot bro. The one we used gun got off some dude in Austrailia....

Kaly1 or something like that.... Gun calls it a stepper. He prefered it over the chilly one for some reason or another. can't wait to see more results and iff you have an i7 in the bull pen .... not to mention the 6 core beasts that are coming.............

Great stuff ......
I think you know my plans

Yeah they are pretty much made is small shops, garages etc. The only one I know that is massed producded to any degree is the Chilly1, but that is also done on a small shop as far as I know.
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Old 02-19-2010
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Very cool stuff it would probably be safe to assum regaurdless of the preformance good bad or indifferent that the chilly 1 will probably be the most consistant if you were to test say 10 of each type

Very cool thread hanging on the edge of my seat for more results
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Old 02-19-2010
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Very cool stuff it would probably be safe to assum regaurdless of the preformance good bad or indifferent that the chilly 1 will probably be the most consistant if you were to test say 10 of each type

Very cool thread hanging on the edge of my seat for more results
I would love to have 10 of each type
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Old 02-19-2010
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Exspensive little critters .............
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