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XSPC RS120 Radiator Pressure Drop Testing

post #1 of 6
Thread Starter 
Another thanks to Paul from XSPC for sending me a radiator for testing as well. This is a nice radiator and will go perfectly in the roof of my case. Overall very similar in size and fin density as the Swiftech MCR series and HWlabs BIP series, just right for my preferred yate loons as my fan of choice.

Anyhow, if you want the full pictures and details..I have a page up with everything here:

http://www.martinsliquidlab.com/XSPC...or-Review.html

But I'll also give you the executive summary here:



And the results with some "INTERNET BASED" comparisons. I'd love to have tested these all out myself, but I havn't so I'm comparing with what I coudl find and there could be some error here.


Very nice! PA still edges with less restriction, I suspect the thicker radiator section provides that gain, but it does very very well
Do a little price comparsion and you'll see it's very very good!

This should all mean more flow for your blocks where it's needed!

Cheers!
Martin
    
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post #2 of 6
Great work Martin !

Thanks for all the work you put into this !
post #3 of 6
Nicely done I like it!

How does adding another 120mm area (240 or even 360) affect pressure drop- Does it linearly increase, or what happens? Trying to get a figure on how much restriction my GTS 360 has.
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post #4 of 6
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Quote:
Originally Posted by Burn View Post
Nicely done I like it!

How does adding another 120mm area (240 or even 360) affect pressure drop- Does it linearly increase, or what happens? Trying to get a figure on how much restriction my GTS 360 has.
No, most of the restriction occurs at the barbs plenum chambers at the top and bottom. Since most radiators have tubes the protrude into these chambers, the sharp protruding edges is the biggest culprit.

In the case of a single to double or triple rad, you're just adding the thin tube length restrictions which is some...but not nearly as much as the other restrictions.

I havn't quite figured out why some of the manufacturers like the MCRs actually get worse with the smaller sizes. I used to think it was all in the smaller 3/8" barbs, but now they are all G1/4 threaded...so it's something else.

Anyway, I wouldn't think it's a whole bunch more than a single or double, although the GTS series seems to be the most restrictive rad of the bunch, at least acccording to the french site that pressure drop tested a 240...never tested one myself.
    
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post #5 of 6
I wish I could send you mine :\\

Looking to go to a MCR320 the next time I swap hardware, maybe I can pick up a little flowrate. The PA series is too expensive for my tastes.
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post #6 of 6
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Quote:
Originally Posted by Burn View Post
I wish I could send you mine :

Looking to go to a MCR320 the next time I swap hardware, maybe I can pick up a little flowrate. The PA series is too expensive for my tastes.
Yeah I still don't quite understand the GTS restriction because the GTX doesn't seem to have that problem. Hopefully we'll see some more availability of these XSPC rads in the US shops.

This review seems to indicate the XSPC rad did better than a HWlabs BIP.

It wasn't very controlled testing as in, I don't see logged ambients and such, but it still a good indication that it's at least similar.
    
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