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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums.

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Unread 12-23-2002, 03:55 AM   #1
pippin88
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Default Completely forgot about you guys.

Oops. OCAU thread: http://forums.overclockers.com.au/sh...hreadid=123266

This is my new case installation. Previously I was using an Aopen HQ08, which when full probably weighed well over 20kgs, a bit annoying to shift around. This case was used for my first ever setup and still bears the marks of that setup and the installs that superceeded it. These marks are currently covered by duck tape . Which is why I didn't take photos of them.

Now to the pics:




http://users.bigpond.net.au/pippin88/case/small002.jpg
http://users.bigpond.net.au/pippin88/case/small003.jpg
http://users.bigpond.net.au/pippin88/case/small004.jpg
http://users.bigpond.net.au/pippin88/case/small005.jpg
http://users.bigpond.net.au/pippin88/case/small006.jpg
http://users.bigpond.net.au/pippin88/case/small007.jpg
http://users.bigpond.net.au/pippin88/case/small008.jpg

There is a fan and shroud hidden between the steel case front and the plastic front bezel (the case is an Aopen Midtower BTW). There is also a hole behind the motherboard to allow access. A few slight changes will be made, as well as possibly some LED's in the pump holddown (the holddown may not be that visible in the photos - sorry for any quality etc. issues)

For pump holddown see pic 7. The black cord used in various places is shock cord. Used on boats etc.

Any questions or suggestions?
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Unread 12-23-2002, 06:20 AM   #2
Bignuts
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Default Oh man

Duck tape quacks me up!
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Unread 12-23-2002, 08:41 AM   #3
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Nice and clean. I like the valveworks.

Where's the fan?
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Unread 12-23-2002, 09:31 AM   #4
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Your pump is severely throttled with that barrel-type 90 on inlet. Any chance you could use a copper sweep of as large an ID as possible?

Otherwise looks nice and neat. Do you have tubing pieces on the end of the valve's barbs? Why?
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Unread 12-23-2002, 10:19 AM   #5
BillA
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sorry pippin88
but pHaestus was too kind

your tubing layout is a hydraulic disaster

note to others:
do not use elbows usless no other solution can be found
and NEVER use a single miter ell such as that 90 on the INLET of the pump

an excellent example of handicapping an oversize pump
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Unread 12-23-2002, 10:32 AM   #6
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I think Pippin88 was going for esthetics first and foremost (correct me if I'm wrong), so I kept my mouth shut.

The rad, if Aluminium, is also a no-no (local limitations notwithstanding).

Looking at the OCAU thread, he mentions an air/leak problem at the rad.
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Unread 12-23-2002, 10:42 AM   #7
BillA
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aluminum rads are ok, just have to use an effective inhibitor - even when leak testing

but those 90s, mercy
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Unread 12-23-2002, 10:50 AM   #8
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BillA: if you don't use Water Wetter anymore, what do you use anyways?

Personally, I'd rather avoid the galvanic corrosion, as much as possible (personal preference?).
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Unread 12-23-2002, 10:55 AM   #9
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Well actually all the 90s on the valves could be a "nonissue" if he moved the valve right to the T. Then they would be closed off most of the time anyway.
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Unread 12-23-2002, 11:11 AM   #10
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pHaestus
it is, as you pointed out, the one on the inlet that is the 'big' problem
and there are several on the pump discharge that serve no purpose
(set the pump vertically with its inlet 'up' ?)

Ben
I no longer use anything except C-G Simazine as an algaecide
but if I had aluminum in my system I would use 15% antifreeze
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Unread 12-23-2002, 11:40 AM   #11
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Quote:
Originally posted by unregistered
Ben
I no longer use anything except C-G Simazine as an algaecide
but if I had aluminum in my system I would use 15% antifreeze
NASTY stuff!

How do you dispose of it?

How did I know it would be something obscure and hard to get...
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Unread 12-23-2002, 11:53 AM   #12
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lol
any aquarium store
the strongest is "Algae Destroyer Liquid" (a 100yr supply for $9)

EDIT: oh, you were refering to the antifreeze . . . .

Last edited by BillA; 12-23-2002 at 12:07 PM.
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Unread 12-23-2002, 12:15 PM   #13
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I think that Ben turned up agriculturally common simazine pesticide. Probably similar in chemistry, but much differently concentrated and packaged at the local aquarium store than at the Coop...
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Unread 12-23-2002, 12:25 PM   #14
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Yep

Pesticide/Herbicide, bad for fish (in that form).

Probably relatively harmless in low concentrations... but I'd take some precautions anyways (i.e. don't drink it, not that anyone would ).
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Unread 12-23-2002, 04:58 PM   #15
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Ok ok, calm down.

Billa, I cant set the pump Inlet, I don't think, because for the 3 taps to work, you have suck a full stream of water to the pump, if there is any major air in this, the pump will stuck pumping properly where the air gets to it.

The reason for the Elbows on the outlet side of the pump it because there was no way I could get it to get to the RAD.

The RAD is a 5cm Thick Little Arse from Cathar. Full copper, It just looked a bit shabby after all my playing with it (Was never painted before) so it received a quick coat of "Chrome" spray paint.

The Fan is tucked away in the front bezel, with a shroud. Both the metal in the front of the case and the plstic have been cut away to allow airflow.

Bill, would a sweeping elbow be good enough for the Inlet rather than a sharp elbow?

I'll also be either getting rid on an Elbow on the GPU block and using better tubing, or getting a 45 degree adaptor to screw into the block, rather than a 90 Degree one. (Though at my local truck plae they want 5USD for just the adaptor )

The entire case setup has been based on compactness, not asethetics.

I shall have a look at the getting the pump aligned in the other direction, so that it lines up with the 3 tap system and only needs 1 elbow on the outlet. However this may not work lenghtwise, and also it might be hard to get a decent pipe run from the far RAD barb to the CPU block.

Also I might get my hands on a metre or so of Tygon, which I think *should* be able to do some of the curves my EHEIM stuff couldn't.

I got rid of the air leak, it was in the middle tap, one of the epoxied joins must not have been quite right. A bit of silicon has fixed said problem.

As I said on OCAU, I'll be redoing a lot of it in a little while, this time with decent strong epoxy instead of shit cheap stuff for a start.

EDIT: Actually is was all just a plot to give Bill a heart attack

Last edited by pippin88; 12-23-2002 at 05:06 PM.
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Unread 12-23-2002, 05:07 PM   #16
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Quote:
Originally posted by bigben2k
Yep

Pesticide/Herbicide, bad for fish (in that form).

Probably relatively harmless in low concentrations... but I'd take some precautions anyways (i.e. don't drink it, not that anyone would ).

When filling and emptying, I've occaisonally got a little taste of radiator fluid (Diluted heavily with water). Lets just say I have a spit jar handy as well as a nice glass of something with strong flavour.
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Unread 12-23-2002, 05:08 PM   #17
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For what it's worth...

I don't think that the sweeping elbow will help. The problem is that the diameter of the inlet is small and restrictive, and happens to be at a critical point in the loop.

If you could do a pHaestus style mod to your pump, you'd be set: attach a PVC bushing to the pump housing, where the inlet is of a diameter that you can use.
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Unread 12-23-2002, 05:19 PM   #18
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Quote:
Originally posted by bigben2k
For what it's worth...

I don't think that the sweeping elbow will help. The problem is that the diameter of the inlet is small and restrictive, and happens to be at a critical point in the loop.

If you could do a pHaestus style mod to your pump, you'd be set: attach a PVC bushing to the pump housing, where the inlet is of a diameter that you can use.
So If I could stick a much larger Inlet Elbow on(I believe you want to drop pressure or water velocity or something?) would that be better? As default, the pump (EHIEM 1048) comes with 1/2" barbs on both inlet and outlet, but the thread on the Inlet is much large.

Another alternative I have would be to build a little sealed res to sit straight on the pump inlet, which might help a bit?
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Unread 12-23-2002, 05:22 PM   #19
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Like this you mean?



How does the water get into the damn thing? I presume he put a barb or something in the side of it?

I might be able to get an Elbow like that PVC, stick that too the pump, and then cap the end and stick a barb to that, or something.
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Unread 12-23-2002, 08:50 PM   #20
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I'd say your right about flow rates Bill (as usual)



I did a little rough test, and I'd estimate flow rates to be about 130 - 180 L per hour. This running through the taps to the outside of the case (No straight through, so another 2 90 D bends on each side of the pump). So I'd estimate flowrates might be 160 - 210 or something.

I also borrowed a Cyclone 5, which generally performs about 5C (approx) better than my Surge, or so I've been led to believe, very little change.

I'd say Im getting bad temps due to my low flow rates, and also Im dropping a fair bit of possible airflow through the rad due to the pump and then fact that I've only got a shit shroud, which is restricting the fan.
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Unread 12-24-2002, 09:03 AM   #21
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The inlet on that thing is actually right into the elbow (but I would have done it another way). Check out pHaestus' log for more pics. I'd put it either in the clear acrylic (if you're confident that you can seal it), or through the top.

If your max flow is ~200 L/h, that's roughly 50 gph, which is on the low end of an average rig. Start straightening things out!

Do you have specs on the pump? What size tubing is that?

Last edited by bigben2k; 12-24-2002 at 11:44 AM.
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Unread 12-24-2002, 11:32 AM   #22
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The clear acrylic wasnt trivial to drill and tap. PVC much easier.
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Unread 12-24-2002, 11:46 AM   #23
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You tapped acrylic? Why? I agree, drilling into the side of a tube isn't easy.

I'd simply make the smallest hole possible, and use epoxy. If it still leaks, use Goop.
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Unread 12-24-2002, 12:19 PM   #24
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No I decided against it because I knew it would be beyond my tools. Ya nothing looks better on clear acrylic than gray epoxy
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Unread 12-24-2002, 02:39 PM   #25
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Quote:
Originally posted by bigben2k
The inlet on that thing is actually right into the elbow (but I would have done it another way). Check out pHaestus' log for more pics. I'd put it either in the clear acrylic (if you're confident that you can seal it), or through the top.

If your max flow is ~200 L/h, that's roughly 50 gph, which is on the low end of an average rig. Start straightening things out!

Do you have specs on the pump? What size tubing is that?
EHEIM 1048
600 L/H
1 m head or something.

Nice and reliable, the 1250's little brother.
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