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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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#1 |
Cooling Savant
Join Date: Mar 2003
Location: notts uk
Posts: 408
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this was found by someone at oc.com
http://cgi.ebay.com/ws/eBayISAPI.dll...&category=3666 he has a brass base with copper tubes solderd onto the top. from ebay. These are better cooling blocks in my opinion because: 1) Much more water volume and thermal mass. 4 foot of seamless tube filled with circulating water as opposed to 2 inch blocks with a lot of seams and many places to leak from. 2) The connections can be completely outside the case. This means much less chance of leakage inside your case. I prefer putting the whole tank/pump/condenser assembly outside the case anyway, as this means that your actually taking the heat outside your case environment. 3) They are made in America by an American original... me. 4) They simply look better, and in my opinion, should simply work better. ![]() |
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#2 |
Cooling Savant
Join Date: Dec 2002
Location: Sweden
Posts: 336
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Makes one wonder what kind of WB:s he´s grown up with...
"...blocks with a lot of seams and many places to leak from." regards Mikael S. |
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#3 |
Thermophile
Join Date: Sep 2002
Location: Melbourne, Australia
Posts: 2,538
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*chortle*
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#4 |
Responsible for 2%
of all the posts here. Join Date: May 2002
Location: Texas, U.S.A.
Posts: 8,302
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The comment about the block being better because of the "greater water volume and thermal mass" says it all: this person knows little about what makes a good waterblock. You gotta love the "They simply look better, and in my opinion, should simply work better". Where's the testing?
Looping the water round-and-round makes the block act as a secondary radiator, which is interesting: he ought to have taken advantage of that, by adding fins and a fan. Kinda like a water version of a Zalman block. There is a reduction in the possibility of leaks, because he doesn't cut the tube at all: it remains perfectly integral. The problem is attaching a cold plate to it, in such a way that it doesn't reduce the thermal resistance, because lead/tin are relatively poor heat conductors. It's possible to flatten a piece of round tubing, just for making this block, but the bending work is pretty intricate. Maybe this is the right block for Joe ![]() |
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#5 |
Put up or Shut Up
Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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Just goes to show you can make something completely worthless, make is shine a bit, post some BS on why you think it is "leet", and some dumb ass will pay $50 for it. Note someone bid on it.
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#6 |
Cooling Savant
Join Date: Mar 2003
Location: notts uk
Posts: 408
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this is the thread.
http://forum.oc-forums.com/vb/showth...6&goto=newpost rogerdugans at overclockers.com has contacted the guy that made it and he may send one t him for a review. |
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#7 |
Cooling Savant
Join Date: Jul 2002
Location: Toronto, Canada
Posts: 381
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Well, it is sort of pretty...
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__________________
Michael E. Robbins M.A.Sc. Candidate, University of Toronto 12.1 GHz of AMD's finest (17.7 GHz total) crunching proudly for the AMDMB.com Killer Frogs SETI BOINC: Dual Opteron 246s (Iwill DK8N) | XP2800+ (Shuttle SN41G2) | 3x XP2400+ (ASUS A7N266-vm) SETI BOINC: 2x P4 2.8E (ASUS P4R800-vm) | Crunching 24/7 |
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#8 |
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I wouldn't call it "completely worthless" just yet. It certainly isn't going to perform anywhere near our latest designs, but it may still perform adequately, as a waterblock used to eliminate noisy fans.
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#9 | |
Put up or Shut Up
Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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#10 | |
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#11 |
Cooling Savant
Join Date: Feb 2002
Location: Dione, sector 4s1256
Posts: 852
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in that blocks case, the $50 is spent well on looks, I'm sure making those are not the easiest of things, and for that ..... credit to it's creator, as for the claims that it's superior size in liquid volume, helps performance..... Maybe, but not in this universe
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__________________
There is no Spoon.... |
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#12 |
Cooling Savant
Join Date: Oct 2002
Location: MidWest USA
Posts: 176
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QUOTE-"There is over 48 inches of 1/4" copper tube in each one." & "I use a brass base and copper tubing all soldered securely with a matching brass cap over the coppper."
Not gonna get much flow thru that sucka, and even if ya did, it wouldn't be much help with the brass/copper/solder all between the flow and the cpu. A generic hsf would be cheaper and prolly better. peace. unloaded |
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#13 |
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Just for kicks, I ran the calcs, for a straight section of 1/4" ID pipe (which is slightly different from reality):
Pressure drop @ 1 gpm: 3.3 feet aka 39 inches aka 1 meter Pressure drop @ 2 gpm: 12 feet aka 143 inches aka 3.6 meter Pressure drop @ 3 gpm: 25.3 feet aka 303 inches aka 7.72 meter In actuality, the ID should be slightly bigger, but the calc doesn't account for the bends. Calcs done using Hazen-Williams formulae (should have used Darcy, I know). |
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