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NZXT Phantom 820 * Stretched Limo Edition * [ build log ] - Page 24

post #231 of 990
Hey Darlene I read you're doing three (3) separate loops, is it 1x cpu, 1x gpu & 1x ram/NB/SB ...correct ??
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post #232 of 990
Thread Starter 
Quote:
Originally Posted by Triniboi82 View Post

Hey Darlene I read you're doing three (3) separate loops, is it 1x cpu, 1x gpu & 1x ram/NB/SB ...correct ??

No,

Loop #1 is for the CPU, chipset/VRM, & RAM

Loop #2 is for the first 2 GPU's

Loop #3 is for the the second 2 GPU's


The plan at present is:

Loop #1 uses the 30% secondary portion of the lower rad which gets the coolest air drawn in from outside the case and all 12 push-pull fans making it the more efficient of the two rads, so therefore the better choice of which one to set up in a dual circuit configuration.

Loop #2 uses the entire top rad, which because of space above the mobo limitations, only gets 10 of 12 fans, and draws air already in the case, making it less efficient than the lower rad.

Loop #3 uses the 70% primary portion of the lower rad.

I'm putting the lower two GPU's on the 70% portion of the lower rad because they are the ones that are most in contact with airflow from the lower rad's fans, and can receive some level of additional cooling from that. The top two GPU's are the most airflow restricted, so they'll run warmer and more rad will be of more benefit to them.



The option plan is adding another 420 stacked below the front half of the top 840 between the back of the optical drive bays and the mobo for Loop #1, and configuring the lower 840 rad in single circuit mode for Loop #3.

I'll be making that decision once more parts are on hand, the chassis is complete, and I can get a good sense of the aesthetics of each option.


Hope that helps,

Darlene
Edited by IT Diva - 12/23/12 at 7:15am
post #233 of 990
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by IT Diva View Post

No,
Loop #1 is for the CPU, chipset/VRM, & RAM
Loop #2 is for the first 2 GPU's
Loop #3 is for the the second 2 GPU's
The plan at present is:
Loop #1 uses the 30% secondary portion of the lower rad which gets the coolest air drawn in from outside the case and all 12 push-pull fans making it the more efficient of the two rads, so therefore the better choice of which one to set up in a dual circuit configuration.
Loop #2 uses the entire top rad, which because of space above the mobo limitations, only gets 10 of 12 fans, and draws air already in the case, making it less efficient than the lower rad.
Loop #3 uses the 70% primary portion of the lower rad.
I'm putting the lower two GPU's on the 70% portion of the lower rad because they are the ones that are most in contact with airflow from the lower rad's fans, and can receive some level of additional cooling from that. The top two GPU's are the most airflow restricted, so they'll run warmer and more rad will be of more benefit to them.
The option plan is adding another 420 stacked below the front half of the top 840 between the back of the optical drive bays and the mobo for Loop #1, and configuring the lower 840 rad in single circuit mode for Loop #3.
I'll be making that decision once more parts are on hand, the chassis is complete, and I can get a good sense of the aesthetics of each option.
Hope that helps,
Darlene

Another 420 sounds good to me thumb.gif Wouldn't airflow be a bit restrictive if mounted behind the mobo tho? I mean I guess you'll have to cut ventilation into the back panel but I'm trying to see in my mind how it'll fit with fans & the back panel.

Ques: "configuring the lower 840 rad in single circuit mode for Loop #3" care to explain pls...
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post #234 of 990
Thread Starter 
Quote:
Originally Posted by Triniboi82 View Post

Warning: Spoiler! (Click to show)
Another 420 sounds good to me thumb.gif Wouldn't airflow be a bit restrictive if mounted behind the mobo tho? I mean I guess you'll have to cut ventilation into the back panel but I'm trying to see in my mind how it'll fit with fans & the back panel.
Ques: "configuring the lower 840 rad in single circuit mode for Loop #3" care to explain pls...


Nothing will be mounted behind, as in the space between the backside of the mobo and the backside panel.

I think you're misunderstanding something there.


These rads can be configured such that all 21 tubes are working together such that whatever goes in, comes out and flows thru all the tubes. . . . single circuit mode

They can also be configured such that there are 2 seperated groups of tubes, 15 for the main side, and 6 for the secondary side. . . . . Dual circuit mode

It's virtually 2 rads in a single package that shares a fin pack.

That's how I can have 2 loops, #1 and #3 in the same rad.

I could run white color in Loop 1 in the 30% (6 tube) secondary circuit of the lower rad, and red in Loop 3, in the 70% (15 tube) primary circuit in the lower rad, and the colors would never co-mingle, they'd stay totally seperate.


Cooling wise, it's about like having a 560 for loop 3 and a 280 for loop 1.


Darlene
post #235 of 990
Thread Starter 
Little more update;

I disassembled the 3rd case today so I could scarf up the parts of the top and bottom panels that I needed to complete the chassis stretch.

This is the tough and tedious part of modding, a lot of grunt work, and not much to show for it, but it has to be done to have something to build on.

It took a fair bit of cutting and fitting, but the lower chassis is ready to prep and take to the welder.

I drilled and tapped the few holes still needed in the new addition parts so that the front base assembly screws on with all its screws. The rear base assy. already had all its screws match up.

I'll order the next two rads for the top tomorrow, after checking to be sure they're in stock, so I can get the top chassis panel ready for the welder.

The way these rads join up, I want to custom fit each assembly to it's chassis panel to insure that everything aligns right on the money, so I'll have to leave the last cuts on the top panel add-in pieces untill that rad gets here.


Darlene

Here's some pics of the new metal work for the lower chassis panel:









post #236 of 990
Thats one massive rad:)
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post #237 of 990
DAMN!!! Now that's impressive! drool.gif

Subbed, defo! thumb.gif
post #238 of 990
Quote:
Originally Posted by IT Diva View Post

Quote:
Originally Posted by Triniboi82 View Post

Warning: Spoiler! (Click to show)
Another 420 sounds good to me thumb.gif Wouldn't airflow be a bit restrictive if mounted behind the mobo tho? I mean I guess you'll have to cut ventilation into the back panel but I'm trying to see in my mind how it'll fit with fans & the back panel.
Ques: "configuring the lower 840 rad in single circuit mode for Loop #3" care to explain pls...


Nothing will be mounted behind, as in the space between the backside of the mobo and the backside panel.

I think you're misunderstanding something there.


These rads can be configured such that all 21 tubes are working together such that whatever goes in, comes out and flows thru all the tubes. . . . single circuit mode

They can also be configured such that there are 2 seperated groups of tubes, 15 for the main side, and 6 for the secondary side. . . . . Dual circuit mode

It's virtually 2 rads in a single package that shares a fin pack.

That's how I can have 2 loops, #1 and #3 in the same rad.

I could run white color in Loop 1 in the 30% (6 tube) secondary circuit of the lower rad, and red in Loop 3, in the 70% (15 tube) primary circuit in the lower rad, and the colors would never co-mingle, they'd stay totally seperate.


Cooling wise, it's about like having a 560 for loop 3 and a 280 for loop 1.


Darlene

Damn that's a pretty nice feature...i did misunderstand so thanks for clearing it up.
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post #239 of 990
Thread Starter 
A little Christmas Update:

Santa said I was a good girl again this year, so he was his wonderfully pervy old self, and I sent him on his way relieved of another Phantom 820 case.

Of course I was counting on a gunmetal one this time, but some elf coughed up a hairball somewhere, and I got another white one, though I'm forcing myself to suffer through it OK.


Anyway, the more exciting part of the update involves making more progress . . . . . . thumb.gifthumb.gif

As luck would have it, no one has the single circuit 420 copper fin rads I need in stock, PPC's shows backordered, which hopefully means more are coming in.

So rather than have to wait untill I get the rads for the top to make up the top chassis panel, I built up the panel on the top side of the rad that is assembled for the bottom chassis panel.

The top panle is a butt load more work, as it's all flimsier and much less solid than the bottom with some sections being seperate left and right halves.

Long story short; it's exactly the right length, it's straight, it aligns, all the holes line up, and it's ready to tack, prep and weld.


With the top chassis panel mocked up, it seemed like a good time to work on the top plastic cover pieces. . . .

Rewind, there is NO good time for doing that, but it needs to be done, and well, I was off work and hadn't yet received my fair share of abuse for the day, so I worked myself into my best masochistic mood in preparation.

I knew from the start working out the top cover was gonna suck big time.

With better than 2 full case lengths to span, complex multi-part top trim pieces, and a very limited set of workable options, there's just no easy way to get a satisfactory result.

I ended up going with a dual top setup. . . . I think it will be a lot easier to manage as two reasonable length top pieces, than one ginormously long one.

The front portion is a complete top so that all the fan controller and USB openings remain in the original positions.

The rear portion is grafted from two top panels sans the fan controller / USB portions so that it compliments the front top.


I'm pretty happy with how it looks. . . . Actually, I'm pretty impressed with myself.

Once everything is welded up, I'll drill the extra few mounting holes so everything snaps in properly.


Hope you like how it's coming along,

Darlene


A little something from Santa:
Whatta you bet the jolly fat bugger put it on my credit card biggrin.gif




The top chassis panel set up:









The top plastic parts:







Edited by IT Diva - 12/25/12 at 1:56pm
post #240 of 990
This thing is so full of win!
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