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post #271 of 340
OMG that thumb would have drove me crazy digging that.
LOL. Nice work though. Someone needs to call a dentist about the bucket on that hoe.
post #272 of 340
Quote:
Originally Posted by shurik06_83 View Post
if the loop cant handel ur server room i can sell ya the chiller V1.0 that thing will take any I7-30c on water or u can chill a big rez to slightly below ambient like Naja and cool all ur servers but the monster chiller will draw close to 500W h if its runing non stop

but ur loop should take almost anything u throw at it

another idea for ppl wanting to try this but dont have a bigg AS5 digger laying around is go into ur basement cut the cement with a diamond grinder blade the cuts should be about 6" apart then 2 ft over make another 2 cuts 6" apart then conect the 2 6" chanels at one end rent a hilti 500 chipper alltho a 900 would make it fastrer bash out the 6"midels so u have a 6" trench going in a U take out the rubel dig down about a foot with a small spade lay ur pipe buy some mix at home depot fill the trench and enjoy cause ur basement will be alredy atleast 4 ft down so all u have to do is beat out a part of the slab and repoure it and dont be scared the slabs in basements are usualy 4" thik max unless someone orderd to much mix and u dont want to make the cuts near any wals or poast cause they will have footings that are about 12" thik with rebar
I made it about halfway through that second paragraph, then said, "screw it." Amazing how not using proper spelling, punctuation, and capitalization makes it so difficult to read....
post #273 of 340
Thread Starter 
Quote:
Originally Posted by Cappy71 View Post
OMG that thumb would have drove me crazy digging that.
LOL. Nice work though. Someone needs to call a dentist about the bucket on that hoe.
That tooth was broken off last week while moving large rocks for a (permitted) wave shelter. It was recovered after sifting through the sand for half an hour. The middle one has crack that needs welding on too. Poor thing.

Here are the results of using an in-line radiator as an "air conditioner" so to speak. With the heat load test results it'll be possible to solve for how much heat is being dumped into the ground. Right now, it's just something different to look at.


post #274 of 340
Cool, is the air coming off the radiator cold?

I also see "Alarm Devices" in that screen shot, wondering if you have any installed or are you planning to install one.
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post #275 of 340
Thread Starter 
Quote:
Originally Posted by Darkknight512 View Post
Cool, is the air coming off the radiator cold?

I also see "Alarm Devices" in that screen shot, wondering if you have any installed or are you planning to install one.
Alarm devices? Not like what that refers to. The linux software I'm going to use can be scripted to do just about anything based on the sensor data though. E-mail alerts, speaker alarms, and text-to-speech read outs are all possible.



As of this posting the temperatures are now 55.7 and 64.5. I can feel the cold draft from that corner of the room. Eight feet away, 1-wire sensors are reading 66 degrees and 46% humidity.
post #276 of 340
Amazing, im looking forward to seeing the results of sticking that 1500W heater into the loop.
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post #277 of 340
Thread Starter 
The repeatedly delayed rain has finally arrived and will sporadically continue over the weekend. It'll help the ground loop settle before the heat load test next week.

In the mean time I've gone ahead and finished some quick flow tests. I hooked the 0-5 GPM King flow meter and my two MCP355s into the geothermal loop and went to work.

In the loop there's about 550 feet of .75 ID pipe, 10 PVC 90s, 2 PVC 45s, 7 ball valves, a set of colder no spill quick disconnects, and a full house water. Oh, plus a dozen feet of 7/16th ID tubing, 7 feet of 5/8th ID heater hose, and 6 feet of 3/4th ID heater hose.
That adds up to 18 gallons of water. Sounds restrictive doesn't it? Well, lets find out!

This three foot table is getting crowded. All three pumps are in the loop and will be powered on one by one.


One MCP355 with a XSPC res top (preserves nearly all of the head pressure unlike most custom tops): 1.2 GPM.


Two MCP355s, the second has a Petra top: 1.7 GPM


The Iwaka MD-30RZT: 2.3 GPM


I removed the filter cartridge, but not the housing, and gained less than .1 GPM with the Iwaki. It was still out in the following tests.

Another set of QDs were part of my computer's loop consisting of a HK 3.0, EK Classified block, and an EK 5970 block to the loop. That sub-loop also added 5 feet of 1/2 ID vinyl tubing.

The results were:
One MCP355: .8 GPM
Two MCP355: 1.15 GPM
Iwaki MD-30RZT: 1.55 GPM
Iwaki + 1 MCP355: 1.85 GPM
Iwaki + 2 MCP355: 2.05 GPM

I've been curious all along if the dual ddcs would hold 1 GPM. It's nice to see they can.
Edited by Romir - 4/2/10 at 10:35pm
post #278 of 340
Oh man... this is so epic.

Sub'd
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post #279 of 340
Quote:
Originally Posted by SgtSpike View Post
One might presume that, but then again, cold hard earth might soak up enough of the heat that it'd survive without a problem at idle. The fans would still act to stir up the air inside the case, and the case itself would act as the heat spreader to the earth outside...

I have a 900mhz Athlon XP I might just try this with, just for the heck of it.
You're underestimating moisture and critters I think.

The heat from that is going to attract so many worms I think you'd have to seal it, not to mention the buildup of moisture would end its life after a relatively short period I think...

Sorry for thread-jacking Romir, I'm still enjoying your updates
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post #280 of 340
Quote:
Originally Posted by Romir View Post

The results were:
One MCP355: .8 GPM
Two MCP355: 1.15 GPM
Iwaki MD-30RZT: 1.55 GPM
Iwaki + 1 MCP355: 1.85 GPM
Iwaki + 2 MCP355: 2.05 GPM

I've been curious all along if the dual ddcs would hold 1 GPM. It's nice to see they can.
Everything looks good! Frictional loss is the reason that the Iwaki doesn't hold up as well spec for spec as the mcp355. The more liquid that you try to shove through x-diameter pipe...the more frictional loss. And no it doesn't scale directly...it scales exponentially. The 355 and D5 are excellent pumps with their high psi/head and lower flow rates.
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