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Dual pumps

post #1 of 12
Thread Starter 
I'm thinking about getting the Mozart TX case instead of an Armor. I like the idea of multiple radiators However, as in Pete's case (http://www.overclock.net/case-mod-co...s-motzart.html) I think I would need two pumps for such a big loop. I don't know much/anything about pumps though so I need a little help.

Pete, and at least one other person that I've seen, has his pumps in a series fashion (one after another, though there is some stuff in between). I'm wondering if it would be better to have them parallel, with Y connections before and after? Keep in mind this is a big loop I'm talking about, so maybe the series setup is better for this. I keep thinking of building pumps though, where they all use parallel setups.

Quick survey: What do you all think of the looks of loops done with worm-drive bands? Think it's worth it?
post #2 of 12
No... parallel would not be as good. There would be a pressure drop using the Y-fitting so serial is better. If you are using multiple radiators and have two pumps, you would be better off with two independent loops.

I have heard hat worm-drive bands can fray or damage the tubing. I use the plastic clamps or zip-ties.
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post #3 of 12
Talk to IRA-K... He had a pump with a petra top and he swears by it.
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post #4 of 12
Thread Starter 
I didn't know what a petra's top was so I googled it and came across this site (http://www.xtremesystems.org/forums/...d.php?t=117215).
It had a small amount of information on dual pumps, but enough for me to believe you two that series is actually better for PC cooling applications.

And thanks for the heads up on the worm-drive bands. Plastic it is!
post #5 of 12
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post #6 of 12
I have a Mozart and it runs OK with one D5 . . . But there is a LOT of verticle climb so i know Im not getting the flow I need. . . mine has to go over the wlll, through the block, all the way back to the top (where the res is), and back down to the pump. Temps are in the higher 20's, with mid 30's load and a bonnie rad. I just upgraded to a quad rad and added a Maze 4 to the loop so now Im thinking of adding another pump after the maze.

So it would flow Pump -> stinger -> Maze -> Pump -> Rad

Ill let you know how my temps are with the quad but I still think the pump might be struggling a lil.
 
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post #7 of 12
Quote:
Originally Posted by DanNEBTD View Post
I have a Mozart and it runs OK with one D5 . . . But there is a LOT of verticle climb so i know Im not getting the flow I need. . . mine has to go over the wlll, through the block, all the way back to the top (where the res is), and back down to the pump. Temps are in the higher 20's, with mid 30's load and a bonnie rad. I just upgraded to a quad rad and added a Maze 4 to the loop so now Im thinking of adding another pump after the maze.

So it would flow Pump -> stinger -> Maze -> Pump -> Rad

Ill let you know how my temps are with the quad but I still think the pump might be struggling a lil.
You could also try replacing the D5 just with one DDC-12v or a DDC-12v with a top. Both would have much more head and should be enough. While the D5 has more flowrate, the issue in your case is head and restriction.
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post #8 of 12
Hmm . . ill look into it . . . thanks
 
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post #9 of 12
You could also go single pump with an AC unit. The AC pumps can be quite a bit beefier than a DC, and won't put a strain on your PSU. There are relays available to plug into a 4pin molex so when you turn on the computer your AC pump will turn on too.
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post #10 of 12
I run my 2 18W DDC with petra in series...I get 10psi on my pressure gauge and that works out to 3gpm....I run my loop...res-pump-pump-rad-cpu...

Automotive clamps are fine just don't over tighten them or you can cut the tubing.....I used to use them all the time with no problems....Now I use single pinch ear clamps....
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