Overwhelmed with watercooling...

[MiseryQ]

I've been reading a number of articles on watercooling since I decided to take OCing serious...

I've decided on a Bong... I keep buying parts then redesigning... I think I'm down to the final workings of it though... A few more questions...

Q1: What's the Ideal size of a resv. if any?!? It seems that a large tank would keep the water at ambient instead of below it...

Q2: I read Pespi's thread on the acrylic block. How efficient does acrylic transfer heat... I was thinking of having an acrylic block made like this (http://www.overclockers.com/tips793/)...

Q3: Or should I just buy a copper block?!?

Q5: What about direct die cooling?!? Is it really less effiecient than a block?!?

[MiseryQ]

Ok... I did some playing with paint...

Here's the design...

http://www.miseryhq.d2g.com/bong.jpg

I figured this would make for a clean look expecially with acrylic...

Large tank, so I don't need to refill as often...

The angled closet flange would give the water something to hit and silence...


Q4: how about putting a radiator in front of the cpu?!?
So the flow would be: Pump > Radiator > CPU > Bong > Resv.

And no I can't spell resorvoir off hand :D...

[UserName]

regarding Q2
Acrilic is a horable heat conducter. Pepsi's is direct die set up so the heat conductivity of the block don't matter.

[Big Mike]

You dont want to use a radiator with a bong do you? at least not after the bong, the bong is capable of cooling the water BELOW ambient, a radiator will warm it up to ambient if anything...

[Greedy Guido]

Do not add a radiator to a cooling tower setup as the water will be below ambient if the tower is designed correctly.

Bigger is better to a point. One your water temp reaches the wet bulb then there is not point in going larger.

This is the one that I designed and made. I get to within 1°C of the wet bulb.

http://www.users.bigpond.com/jasonfvella/pic/Cooling Tower.jpg

[f155mph]

use a 5 gallon bucket as your res. They are cheap, go to Home Depot and get one.

[FrozenInHI]

yep, 5gallons is a good number, if you're using 4" pvc, get a threaded coupler to attach to the lid of the reservoir, you'll have to cut a hole just barely large enough so the threaded portion inserts from the top, then screw the other end on from the bottom, this will give you a good attachment to your lid/bong to aid in stability and you won't have the open reservoir thing like Greedy has in that pic. you don't want too much dust getting in there.

[MiseryQ]

I got almost all of my parts tonight... Tomorrow I have to track down a pump... Nothing at petsmart even though I saw mag pumps online...

I started thinking... A pump that flows 150+gph won't let the water stay in the resv. long enough to "warm" to ambient...

I epoxied over all the exposed "connections" on the face of a 750Duron...

5gallon bucket is ready...

How's this for a direct die block?!?

http://www.miseryhq.d2g.com/h2oblock.jpg

I'm in the process of making it now...

[MiseryQ]

I got my WC system (http://www.miseryhq.d2g.com/bong) running and the results are'nt that great...

I tried the direct approach with a 750Duron... @950mhz the temp peakeda t 41C while running Sandra2002 MultiMedia 10X...

For some reason since I've lost the ability to change the multiplier AND fsb and the highest I can get is 850mhz, now at 39C...

There was'nt, of course, enough room it the block for the other "design" so I made the block like this to build turbulence:

http://www.miseryhq.d2g.com/wb.jpg

I'm running straight water for now... And the hoses and air from the bong are very cool...

I have a early 700mhz T-bird that's unlocked... I'm thinking to try it again... Any suggestions?!?

[FrozenInHI]

doesn't seem to be enough contact with the core or there's simply not enough cooling power with this type of block. make sure you have a thin layer of AS and not anything more than a paper's width, less if you can manage it. this might help a little, but i'm thinking you need more thermal transfer ability than that design offers.

[Greedy Guido]

There is something wrong with your setup as my Duron 750@1000 is currently at 28°C with ambient of 28°C. A few weeks ago the ambient temp hit 39°C but my CPU never go above 37°C under load.

[MiseryQ]

Thanks...
I'm pretty much thinking the same,,, not enough heat tranfer... When I pulled the chip out the computer it was still VERY cool...

FrozenInHi, What's "AS"?!?

Greedy Guido, What kind of block do you have?!?