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PT-Nuke Question - Page 2

post #11 of 28
Quote:
Originally Posted by k0rnh0li0 View Post
so what wuold be a better option for using with distilled water
If you are just using plain distilled you can use either version of PT-Nuke or a silver kill coil.
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post #12 of 28
Thread Starter 
Quote:
Originally Posted by charliehorse55 View Post
What reviews? This one by Vapor shows that it's significantly more restrictive:



Remember that flow rate scales exponentially. Thus,

1(1.59 ** 2) / (1.23 ** 2) = 1.67 = The Kyros XT is 67% more restrictive than the EK Supreme HF (Plate One).

Also, while it is flow rate that determine the temperature, the head pressure curve of the pump is what determines the flow rate. If you get a pump that has low head pressure for a high restriction loop such as yours the flow rate will be below 1.0 GPM and your temperatures will skyrocket due to laminar flow.

Finally, you don't need any anti-corrosive additive unless you plan on adding aluminum to your loop (which I would highly advise against).
What pump was used in that review?
The difference in flowrate between Apogee XT and Kryos XT is marginal.
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post #13 of 28
Thread Starter 
Also if I ran the Apogee XT with my D5 there would be no difference in flow rate.
Only the temps would be worse than with the Kryos XT.
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post #14 of 28
Quote:
Originally Posted by mbudden View Post
You're thinking about silver plated copper buddy. It's called Red Plauge. I still lol.
This
post #15 of 28
Quote:
Originally Posted by Kung Pow View Post
What pump was used in that review?
The difference in flowrate between Apogee XT and Kryos XT is marginal.
The Apogee XT is a restrictive block as well, although it wasn't tested in this review.

The Laing D5 pump with a Detroit Thermo Top was used in the testing.
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post #16 of 28
Thread Starter 
With a proper top there should be no problems regarding restrictivness and D5 headpressure.

And what counts is the cooling performance not the flowrate even though cooling implicates a certain amount of flowrate..but I am certain the D5 will be able to provide it.

Also 1 GPM equals 227 l/h... flowrate is of course important but above 100 l/h there is no real cooling performance gain anymore.

The test was made with a D5 anyway and I do not think that the achieved 1.25 GPM is a bad flow rate ...and I also do not believe that the MCP 355 would have accomplished a significant improvment to the flowrate the D5 achieved.

You overrate flowrate a little too much
Even 60 l/h is plenty but let´s not get into details^^

The D5 is a great pump ...and with a top it will work great with the Kryos no doubt.
And even if a MCP 355 with a little more headpressure would be better suited.
Tempreturewise there would be no difference and that is what matters to me.
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post #17 of 28
Even though he achieved 1.23 GPM (Which is totally fine) once you add in the restriction from the GPU block and radiator those flow rates would go down.

Also, you want at least 200 l/hr, check out Skinnee's Testing:

As you can see below 1 GPM (227 l/hr) temperatures significantly INCREASE
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post #18 of 28
Thread Starter 
Quote:
Originally Posted by charliehorse55 View Post
below 1 GPM (227 l/hr) temperatures significantly INCREASE
I don´t know where you are getting this from but it is just untrue.
A normal loop with GPU,CPU,1x360 ,1x480 ..needs an approximate 60 l/h to reach their full cooling potential ...anything above that might contribute <0.5 degrees to the cooling performance...in most cases the gain is not even measurable.

It will not matter if a block has 1.25 or 1.59GPM because when you add radiators and other blocks to the loop the flowrate is going to decrease.
If you are using a MCP 355 or D5 does not make a difference at the end of the day because the difference is so marginal that temps won´t benefit from it.Also as long as the flowrate is above 60 - 100 l/h there won´t be any problems anyway.And please do me a favour ...stop calling the D5 a weak pump.
It is a very powerful pump that may be specified for non or slightly restrictive loops.But that fact still does not impact on performance if used in somewhat restrictive loops like mine.

What you are also exaggerating in my oppinion is the restriction of the Kryos.It is not a highflow block.Sure it might be a little more restrictive than the others but that amount is not mentionable.
It would not matter if I chose EK Supreme or XSPC Rasa ..CPU cooling performance would be worse due to the superiority of the Kryos in cooling and flowrate would increase in numbers that would again not be worth mentioning.

Lastly I will be using the EK D5 Top anyways and that will increase the overall pefromance of the pump vastly.Then I should not need to worry about any of this
Edited by Kung Pow - 2/21/11 at 9:41pm
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post #19 of 28
Quote:
Originally Posted by charliehorse55 View Post
If you are just using plain distilled you can use either version of PT-Nuke or a silver kill coil.
you don't need ether (but it's better to use it)

I have my loop running 24/7 for 5 moths now
and have no problems
without ether
Edited by 3dfxvoodoo - 2/21/11 at 9:16pm
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post #20 of 28
Thread Starter 
Quote:
Originally Posted by Kung Pow View Post
I don´t know where you are getting this from but it is just untrue.
A normal loop with GPU,CPU,1x360 ,1x480 ..needs an approximate 60 l/h to reach their full cooling potential ...anything above that might contribute <0.5 degrees to the cooling performance...in most cases the gain is not even measurable.

It will not matter if a block has 1.25 or 1.59GPM because when you add radiators and other blocks to the loop the flowrate is going to decrease.
If you are using a MCP 355 or D5 does not make a difference at the end of the day because the difference is so marginal that temps won´t benefit from it.Also as long as the flowrate is above 60 - 100 l/h there won´t be any problems anyway.And please do me a favour ...stop calling the D5 a weak pump.
It is a very powerful pump that may be specified for non or slightly restrictive loops.But that fact still does not impact on performance if used in somewhat restrictive loops like mine.

What you are also exaggerating in my oppinion is the restriction of the Kryos.It is not a highflow block.Sure it might be a little more restrictive than the others but that amount is not mentionable.
It would not matter if I chose EK Supreme or XSPC Rasa ..CPU cooling performance would be worse due to the superiority of the Kryos in cooling and flowrate would increase in numbers that would again not be worth mentioning.

Lastly I will be using the EK D5 Top anyways and that will increase the overall pefromance of the pump vastly.Then I should not need to worry about any of this
Also do not forget the mounting system of the EK Supreme is one of the worst in comparison to other high performing blocks out there.
And if you have an unevenly mounted block on your CPU with different pressure on the sides then that will cost you some degrees.

The high flow matter could possibly result in max of <0.5 degree like I said before but a bad mounted block costs you 10 times that
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