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Help with triple (quad?) rad system

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-zoso-

Registered
Joined
Jul 7, 2004
I have previously posted in the Extreme Cooling section about a pelt based system I'm putting together. The main suggestion I got was "More Rads!!!".

So, I've now got my self a couple '77 Bonneville heater cores (thanks to Weapon for the info), as well as my original heater 8x6x2" heater core. With 3 rads & 3 PSUs, the option of keeping this a self-contained system has vanished, so I will be building an external box to house the rads and 2 of the PSUs. So, a few questions regarding this...

I plan to keep the external box on the floor. It seems to me that the extra tubing length required to do this shouldn't cause a problem? I would think the weight of the water travelling down would offset the power required to push the water back up the tubing? (ie. Does height make a difference in a closed loop system?) Seems logical but has anybody had experience with this?

Also, will it make a difference if the pump is in the PC case or in the external one?

As I'd like to keep a single pair of hoses between the PC and the other case, does anybody know a way of building a Y fitting that goes from a single 5/8" ID to 2 1/2" ID barbs? (talking ID of tubing... for some reason I still get confused about this..) Is it even worth it using 5/8" tubing for the non-paralell sections as the pump only has a 1/2" outlet? BTW, the pump is a Danner MagDrive 7 with 700GPH at 0' head and a max head of 13', so I think I should be ok there...

Is there any way I can make the tubing between the 2 cases detachable (while full)? I guess a set a valves work work? There must be a cooler way to do it?

So given all of this here is my thoughts on setting things up...

In external case(Pump->5/8"->3x1/2"->3x heater cores->3x1/2"->5/8") -> PC
In PC case(5/8"->2x1/2"->CPU------------------>5/8"->external case
.................................|................................|
.................................-->NB->micro rad->GPU--

(Sorry bout the dots... Wouldn't seem to keep my spaces in there...)

Suggestions?

On another note... Do I need a coldplate on my NB when using a pelt? I've been told yes by one person but I'm hoping he's wrong as they seem to be hard to come by.

Now if I can just convince my wife to let me take over the living room again...
 
Very cool... Just realized these guys are 10 minutes away from where I live... Looks like I've got a new hangout. ;)
 
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