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Preassure drop question. 1 or 2 loops - Page 2

post #11 of 17
Thread Starter 
here is a pic of the swifty rad. It is welded on.
http://swiftech.com/assets/images/pr.../mcr120-QP.jpg
I have a push/pull setup on the BIX with four of these:
http://www.tigerdirect.com/applicati...2464&CatId=802
they are masscool 120mms 54CFMs each.

Will the preassure drop accross that rad be to bad cosindering the benifits of keeping it in the loop?
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post #12 of 17
Quote:
Originally Posted by yoan33174 View Post
here is a pic of the swifty rad. It is welded on.
http://swiftech.com/assets/images/pr.../mcr120-QP.jpg
I have a push/pull setup on the BIX with four of these:
http://www.tigerdirect.com/applicati...2464&CatId=802
they are masscool 120mms 54CFMs each.

Will the preassure drop accross that rad be to bad cosindering the benifits of keeping it in the loop?

Why don't you leave it out and try it..Then if you don't get good temp's go ahead and put it in your loop and see if it helps or hurts...


I hate to just keep telling you to buy new stuff but I really like 120x38mm fans on a rad..They have a higher air pressure and I think they scavenge the air through a rad a lot better..Those fans you linked are low cfm and low pressure they aren't the best thing you could be using on a BIX..You can always try what you have on hand, which is what I would do if I was short on cash, which is most of the time.....Then if your temps are pretty high try some higher cfm fans before adding the second rad...


These are the fans I like to use..


...108 cfm Sunon

...115cfm panaflo

These fans would be a lot better then what you are using now, but I would go with the fans above unless noise just really bothers you a lot..

...Panaflo FBA12G12M1J 120mm High Speed Fan 86.5CFM 35.5dBA

...Sunon 120mm Ball Bearing Fan w/ 3pin 84CFM 35dBA
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post #13 of 17
Thread Starter 
those are really good ones, specially the panaflow for 5.99, i wish i had seen that before. ill to see how these work first.
wat do you mean by shrouds?
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post #14 of 17
Quote:
Originally Posted by yoan33174 View Post
those are really good ones, specially the panaflow for 5.99, i wish i had seen that before. ill to see how these work first.
wat do you mean by shrouds?


A shroud is a spacer that goes between you rad and your fan..A fans air-flow kind of looks a a do-nut, the farther away you put your fan from the rad the smaller the hole in the middle will get...1.5" is what I've always heard is the optimal spacing is supposed to be..Push-pull works best, fans on either side of the rad then pulling through the rad is second best..I'll leave you a guide to making some...

Here a really easy way to make them..How To: Make any Sized shroud in 2 minutes

...How To: Build A Performance Shroud

I just did this testing on shrouds..Part 1-Temp's With and With-Out Shrouds
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post #15 of 17
Thread Starter 
thanks. now all im waiting for is my xfx8800 gtx to get here on wednesday. the anticipation is killing me.
Tomorrow i plan to take appart my old wc setup, clean the blocks and set it up in a single big loop with new tubing. Ill post some pics tomorrow before and after.
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post #16 of 17
Quote:
Originally Posted by yoan33174 View Post
thanks. now all im waiting for is my xfx8800 gtx to get here on wednesday. the anticipation is killing me.
Tomorrow i plan to take appart my old wc setup, clean the blocks and set it up in a single big loop with new tubing. Ill post some pics tomorrow before and after.

Sounds good...Look forward to seeing it...
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post #17 of 17
Quote:
Originally Posted by yoan33174 View Post

Will the preassure drop accross that rad be to bad cosindering the benifits of keeping it in the loop?
Still wrapping up my testing, but from what I found today, the rads flow really well, a CPU block is serveral times as restrictive.

BTW, my vote goes for one loop in series. If you decide to get another 8800, at that point I would buy a second pump and run two completely separate loops to separate the heat. It's not so much a matter of flow rate, but that will improve too for the CPU. It's just that the GPU is designed to handle and run at higher temperatures so you can load up that loop without any problems. The CPU should be a loaner on it's own if you have a bunch of other heat generators. Then you can also run a really restrictive block and not affect anything else as well.
    
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