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Radiator Radiator Roundup 1
Date Posted: Aug 15 2001
Author: Joe
Posting Type: Review
Category: H2O and High End Cooling Reviews
Page: 3 of 3
Article Rank:No Rank Yet
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Note: This is a legacy article, imported from old code. Due to this some items on the page may not function as expected. Links, Colors, and some images may not be set correctly.
Radiator Roundup 1 By: Joe

By: Joe 8/15/01

The Results - Per Radiator:

For the individual radiator results you will need to click on the graph to see the detailed data break down of how the radiator performed.  Its redundant to type that all again.    What I will be pointing out in addition to the graphs is the efficiencies and Delta numbers for different areas. All temps are in F

Danger Den "Cube"

The chart to the right shows the efficiencies of the different areas of the radiator. Cause you can tell a lot about "how and what" the radiator is doing from the numbers more than just what the "cold plate" temp shows. Shown on their own they give an idea of efficiency, but really won't show the true relevance until they are compared against the other radiators with the cold plate temp figured in.

For the first radiator I thought it did pretty well. it showed the gradual warm up I was expecting.  But there was a big discrepancy in the heat coming out of the radiator VS the temp of the coolant. It was showing that the radiator was not doing a good job of dumping heat to the air that was rushing past.

Also the heat kept going up in the system all the way till the end.

Efficiency Stats at 30Min

Delta Between Coolant In and Coolant Out

Coolant Out is
 -2.7DegF

Lower is better

Delta Between Coolant out and Exhaust air

Coolant is
 +6.8DegF

Lower is better

Delta Between Intake Air and Coolant out

Coolant is
 +19.5DegF

Lower is better

Delta Between Cold Plate and Intake Air

Cold Plate is
 -75.0DegF

Lower is better


BeCool "AquaCoil"

As the second radiator tested, it was really doing better than the DD Cube was. The AquaCoil still showed some of the temp "creep" that the Cube showed.

This time the Coolant/Air temps were NICELY inline. They were high all around but they showed that there was a nice transfer from water to air going on. Overall this radiator did very impressive.

Efficiency Stats at 30Min

Delta Between Coolant In and Coolant Out

Coolant Out is
 -2.9DegF

Delta Between Coolant out and Exhaust air

Coolant is
 +3.2DegF

Delta Between Intake Air and Coolant out

Coolant is
 +16.4DegF

Delta Between Cold Plate and Intake Air

Cold Plate is
 -77.5DegF


HWLabs "Black Ice"

Even with the VERY poor ( worst of all the radiators) Coolant to Air conversion it still pulled a bigger temp delta between coolant in and coolant out of any of the radiators.

Wow.   The results for the Black Ice were less than I had expected, but still were higher than the Cube. This is bad and it's good. Its RIGHT below the Aquacoil, and has only 1/3 the Aquacoils size.
I think that's VERY impressive.  Again we can see the Water to Air efficiency is lacking in the Black Ice. This is mostly due to its thin cross section. ( air doesn't have much time to contact the radiator fins.

Efficiency Stats at 30Min

Delta Between Coolant In and Coolant Out

Coolant Out is
 
-4.1DegF

Delta Between Coolant out and Exhaust air

Coolant is
 +8.3DegF

Delta Between Intake Air and Coolant out

Coolant is
 +18.2DegF

Delta Between Cold Plate and Intake Air

Cold Plate is
 -74.5DegF


Overclock-Watercool "Big Momma"

For being the biggest, heaviest, and most free flowing of any radiator in this roundup, it did as expected. In fact it did much more then that. The Efficiency of the radiator totally smoked the competition in everything except the temp drop across the radiator.

This thing is truly a beast. If you look at the chart, the temp leveled out for the most part at 15 min into the test.

Efficiency Stats at 30Min

Delta Between Coolant In and Coolant Out

Coolant Out is
 -3.8DegF

Delta Between Coolant out and Exhaust air

Coolant is
 
+2.0DegF

Delta Between Intake Air and Coolant out

Coolant is
+11.8DegF

Delta Between Cold Plate and Intake Air

Cold Plate is
 
-80.8DegF

The Results - Overall Data Comparisons:

The averages chart takes the Extech data from the cold plate and the intake air on the radiator and averages the entire 30 min test. This should show you if the temp overall for the ambient was unfair for one radiator or another.   This should also show in relation how much better the big momma was over all.


This should give you a rough idea of how different the coolant temps were between the different systems.   The thing I find most interesting is how the Big Momma leveled off at the 10 min. mark while everyone else went up in temp quite a bit from the 10 min mark.


This one shows you pretty much where the different radiators peaked and where they ended at. The reason there is a dip,  is there is a volume of coolant in the system and the entire volume needs to be warmed up.  The Time it takes for that to happen is right around 3 - 5 min depending on the radiator.


Conclusion :

The AquaCoil truly impressed me with its cooling abilities compared to the Danger Den Cube since they are such close relatives in how they are designed. I imagine the new version of the radiator would run a lil better even.

The Danger Den Cube was a bit of a let down. It didn't do bad at all, but it also didn't do that well.  It showed some pretty bad water to air efficiency, and just didn't have what it takes for a heat source like this.

For its size the Black Ice is the winner.  It's the smallest by far and ran right up there with radiators 3 - 5x its size!  As far as overall size/cooling efficiency I don't think you can do better than it did.

The Big Momma was something that came out of left field for me.  I thought it would just be a big, bulky boat anchor. But MAN was I wrong. With results from 2 to 3 times better than anything else... that's gotta tell you something.

This roundup should show that the data is not always in the final number or the lowest number. The true value of all the data above is in-between the numbers. The differences between different ambient data compared to heat load data is a great way to figure out how your system is truly performing.

There were over 56,000+ data samples gathered in this test, all were complied and drilled through to get what you see above.  It was hardly an easy task as it took somewhere around 12 hours of work to get everything charted.  But it was so worth it.   I really hope you all learned as much about these radiator's and radiator design as I did in this Roundup.    All the radiator's in this set were some of the "legacy" crowd and have some new versions or replacements coming to market soon.  When that happens we will be sure to run those along with many others through the Crucible and see what they churn out for numbers.

Thanks to BeCool, Overclock-Watercool.com , and Danger Den for participating in this Review!

But for now... it's on to the WaterBlock Roundup.  See Ya there!

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