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post #1361 of 4498
Mine was a 300 baud. Oh wait - there was no real internet at the time. Just BBS's. Whoa - I suddenly feel very old. eh-smiley.gif
post #1362 of 4498
Thread Starter 
Quote:
Originally Posted by pozativenrgy View Post

imy first net was a 14.4k axesmiley.png

Quote:
Originally Posted by dougb62 View Post

Mine was a 300 baud. Oh wait - there was no real internet at the time. Just BBS's. Whoa - I suddenly feel very old. eh-smiley.gif

I know what you are talking about with the 14.4 and 300, I remember helping my dad with the 300 baud rate and BBS's and telenet. But I did nto think many people here would remember this. Well actually I don't think most people were even alive during the 70's biggrin.gif
post #1363 of 4498
Quote:
Originally Posted by seross69 View Post


I know what you are talking about with the 14.4 and 300, I remember helping my dad with the 300 baud rate and BBS's and telenet. But I did nto think many people here would remember this. Well actually I don't think most people were even alive during the 70's biggrin.gif

You had MODEMS! All I had was sneaker net! biggrin.gif Actually not quite true. I had DECnet over 9600 baud dedicated lines, which was considered high-speed back then. We moved a LOT of data over those but quite often, shipping a 9-track tape was faster.

Bill W
post #1364 of 4498
Thread Starter 
Quote:
Originally Posted by wildbill001 View Post

You had MODEMS! All I had was sneaker net! biggrin.gif Actually not quite true. I had DECnet over 9600 baud dedicated lines, which was considered high-speed back then. We moved a LOT of data over those but quite often, shipping a 9-track tape was faster.

Bill W

LOL there are a lot more Old Computer nerd's here than I thought... thumb.gif
Edited by seross69 - 6/26/13 at 5:26pm
post #1365 of 4498
Thread Starter 
Have a look at my ghetto setup for testing pumps, rads and fans. I want to see how much heat a rad can dissipate and what fans give me the best results. etc etc. just to have fun..



My Lampton fan controller at 30w a channel that i am going to use for testing so I can determine the speed of the fans. This will not be going in my case it is just for testing..



A picture of this test set up using a EK 360xt Rad and a Swiftech MCP655B and a Ek reservoir top with a Alphacool D5 in it. With my Extech Temp logger.



My Koolance Flow meter so I know what the flow is.



Another picture of this test setup using a EK 360xt Rad and a Swiftech MCP655B and a Ek reservoir top with a Alphacool D5 in it. With my Extech Temp logger.

Having fun but making my build take longer... because i am going to test everything before I put it in the case.

Excessive Insanity with a Heavy Dose of OCD biggrin.gif
post #1366 of 4498
Thread Starter 
I am testing a EK 360 xt rad with 3 Koolance Fan, 120x25mm (FAN-12025HBK) fans in pull and the best Delta T i saw was about 5.5 degrees celsius. This is with the 2 pumps and 2.8 GPM of flow and 2200 RPM on the fans. I am using a 250watt heater in the brass pipe you see to provide a heat load. I have just tested these fans at higher RPM's and have not tested any of the other fans I have to compare to but it is looking like this rad is good for a 200watt heat load..

what do you think?? I know I need to test more fans and get a better idea first but I was surprised I figure this rad would dissipate a 250 watt heat load easily. learning learning!! biggrin.gifthumb.gif
post #1367 of 4498
Quote:
Originally Posted by seross69 View Post

I am testing a EK 360 xt rad with 3 Koolance Fan, 120x25mm (FAN-12025HBK) fans in pull and the best Delta T i saw was about 5.5 degrees celsius. This is with the 2 pumps and 2.8 GPM of flow and 2200 RPM on the fans. I am using a 250watt heater in the brass pipe you see to provide a heat load. I have just tested these fans at higher RPM's and have not tested any of the other fans I have to compare to but it is looking like this rad is good for a 200watt heat load..

what do you think?? I know I need to test more fans and get a better idea first but I was surprised I figure this rad would dissipate a 250 watt heat load easily. learning learning!! biggrin.gifthumb.gif

Hi Scott,

I have read somewhere that a single rad deliver about 120 watt of kooling.
What i ask myself when i see your georgeous testbench how you start.

1. cold water inside;
2. pumps off heater on (til what a degree)
3. does the heat befor you start to kool is averywhere (measured)
4. start the pumps (measure temps)
5. stopwatch to zero, start
6 fans 100%
7.tempdrop off .... degree after 1 minute, 2, 3, 4.

Then i think you have a result.
And if you want to test also how silent the fans can get and stil got a good kooling effect by:
- start the same like above;
- fans at 100%, 90, 80, e.t.c.

I now you have been testing but i dont now how you start or end.
And i think the length of the tubing also taking amount of the temp\ and m3 fluid. So you can also make calculations on the amount off fluid.

Example same amount of water in hose and rad after a few minutes read the temp drop.
I now that whe dont use the figgers after the comma (,) but use raw figgers to see if whe got enough cooling power.

I never tested or calculated the cooling power. Mayby i wil do this. I want a silent system and dont want to overclock a lot. 4,6 or 4,7 Ghz wil do.

Something else. I choose the Titans because of the power its using. I plan to go back from 2 PSU to a single (corsair AXi 1200) for 2 Titans and the rest. I think beside the 600 watt for the Titans i still have 600 left for the rest "i hope this will be enought" i.m going to look if i can find another buildlog witt simular setup.
post #1368 of 4498
Thread Starter 
Henry,

This is the way i ran the test as below on all the RPM's I have tested.

1. start the pumps and fans and run the water till the temperature has stabilized. During this time I set the RPM of the fans also.
2. While I am doing this I am measuring the water in and out of the rad with a temp logger and keeping this information. I have it on a Excel file. When I finish i will make graphs
3. I turn on the heater and watch it while I am doing other things when I see the temps stabilize then I make sure I have run it for at least 30 minutes.
4. I save and record the data check the sound levels with my meter
5. restart the temp logger and turn off the heater and wait until the temperature drops to the lowest point and stabilizes.
6. I adjust the RPM of the fans to the new test and turn on the heater and start another test.

that is basically what I do. so no magic or anything. it is really like the computer is running and then you load up the CPU and GPU's and have to dissipate more heat.

Thanks for the input and suggestions.

I am like you I had read some where where 100 watts per 120mm or rad space is a good average to use. But this is a thin Rad and just 1 and also need to test other fans to see if there is a difference and what it is....
post #1369 of 4498
655-B REPRESENT!!!


Thanks - T
post #1370 of 4498
Quote:
Originally Posted by seross69 View Post

Henry,

This is the way i ran the test as below on all the RPM's I have tested.

1. start the pumps and fans and run the water till the temperature has stabilized. During this time I set the RPM of the fans also.
2. While I am doing this I am measuring the water in and out of the rad with a temp logger and keeping this information. I have it on a Excel file. When I finish i will make graphs
3. I turn on the heater and watch it while I am doing other things when I see the temps stabilize then I make sure I have run it for at least 30 minutes.
4. I save and record the data check the sound levels with my meter
5. restart the temp logger and turn off the heater and wait until the temperature drops to the lowest point and stabilizes.
6. I adjust the RPM of the fans to the new test and turn on the heater and start another test.

that is basically what I do. so no magic or anything. it is really like the computer is running and then you load up the CPU and GPU's and have to dissipate more heat.

Thanks for the input and suggestions.

I am like you I had read some where where 100 watts per 120mm or rad space is a good average to use. But this is a thin Rad and just 1 and also need to test other fans to see if there is a difference and what it is....



You did a great job.
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