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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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#26 | |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
Location: Posts: 2,371.493,106
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#27 |
c00ling p00n
Join Date: Jun 2002
Location: L.A.
Posts: 758
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Oh, great, so if I understand correctly there will be THREE versions now? This reminds me of a certain OZ mfgr... how the heck are we supposed to keep track? I mean, I have 2 already and I'm not entirely sure which ones I have, although they are very quiet. I am now after a 3rd, but I want a matching pump! Oh joy...
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*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* E6700 @ 3.65Ghz / P5W DH Deluxe / 2GB 667 TeamGroup / 1900XTX PC Power & Cooling Turbo 510 Deluxe Mountain Mods U2-UFO Cube Storm G5 --> MP-01 --> PA 120.3 --> 2x DDC Ultras in Series --> Custom Clear Res "Artificial intelligence is no match for natural stupidity." 1,223,460+ Ghz Folding@Home aNonForums *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* |
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#28 | |
Cooling Savant
Join Date: Jun 2004
Location: BRLA
Posts: 151
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No doubt what the hell do they think they are pulling, improving a product ![]() ![]()
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#29 |
Cooling Savant
Join Date: Apr 2002
Location: Houston, TX
Posts: 192
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Bill could you please post the x-y values for that graph, I'd like to add them to a comparison graph.
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#30 |
Cooling Savant
Join Date: Feb 2004
Location: Isle of Man
Posts: 269
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Clarification please: MCP650 is a "revision 3" reduced noise/reduced performance model?
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If not, why not? |
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#31 | |
Cooling Savant
Join Date: Jul 2004
Location: F L
Posts: 125
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I want to buy one of them but dont want the noisy nor the weaker one!! I want rev2 !!lol DD hasnt responded to my mail yet so if anyone knows the stock-situation regarding D4s over at DD please speak up. SenC. |
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#32 | |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
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it is the 'reduced noise' current production model, dated 7/04 ask the affected vendor(s) about differences, no ? note that this rev 1, 2 , 3 etc. is something you guys are making up |
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#33 | ||
c00ling p00n
Join Date: Jun 2002
Location: L.A.
Posts: 758
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*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* E6700 @ 3.65Ghz / P5W DH Deluxe / 2GB 667 TeamGroup / 1900XTX PC Power & Cooling Turbo 510 Deluxe Mountain Mods U2-UFO Cube Storm G5 --> MP-01 --> PA 120.3 --> 2x DDC Ultras in Series --> Custom Clear Res "Artificial intelligence is no match for natural stupidity." 1,223,460+ Ghz Folding@Home aNonForums *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* |
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#34 |
Thermophile
Join Date: Sep 2002
Location: Melbourne, Australia
Posts: 2,538
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Here was my own take upon the D4's performance curve with the original "noisy whining bastard" pumps I have here. I rang up one of the Laing engineers by phone, forwarded him my results and confirmed with him that my results were accurate to within about 5% of what Laing were seeing. My pump did seem a little more powerful than theirs. Upon testing my second pump I found its results to far more closely match Laing's own testing, so I guess the first pump I got which is measured in the graph below was a bit of a "gem".
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#35 |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
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much better to never start the (false) rev thing, as it will never go away
specifications subject to change, this is how improvements happen |
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#36 |
Cooling Neophyte
Join Date: Nov 2002
Location: smog
Posts: 47
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Yeah, wish I had considered word choice a little before posting that. I can see how the rev. thing could be a little testy for resellers. Sorry, tasting a little foot over that. Then again, kinda tough to fool an astute crowd. Revision is hardly an uncommon designation for a product that undergoes multiple changes in design.
Certainly the product has evolved, presumably in response to consumer demand. Let's leave it at that. Don't want to give Bill headaches. |
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#37 |
CoolingWorks Tech Guy Formerly "Unregistered"
Join Date: Dec 2000
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there are more players than are apparent, coordination is important
it is the mfgr that sets the nomenclature, not resellers unless private labeling just trying to keep the oars in sync |
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#38 |
Cooling Savant
Join Date: Jan 2004
Location: Alberta
Posts: 631
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I like this new pump (specs, size, DC). Price, though? Less than the MCP600, correct? You don't know how much less, do you? Hmm...
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#39 |
Cooling Neophyte
Join Date: Jul 2004
Location: Australia
Posts: 3
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am i missing something or does the graph BillA posted look a *lot* weaker than the one cathar posted? i mean, eg at 2 mH20, Bill's is flowing 6lpm, while cathar's is flowing 12!!!
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#40 |
Cooling Savant
Join Date: Feb 2004
Location: Massachusetts, USA
Posts: 158
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Guessing that modifying the original square wave to whatever it is now causes that...waiting for more testing here.
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#41 |
Cooling Neophyte
Join Date: Jul 2004
Location: Australia
Posts: 3
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surely there's a mistake or something. i'm a bit of a n00b, but wouldn't u just go the mcp600 instead then? at least it's a known quantity etc.
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#42 |
c00ling p00n
Join Date: Jun 2002
Location: L.A.
Posts: 758
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Umm, Cathar's chart shows a pump which is what he calls "a gem" in terms of it's ouput at 12v. There will be variance from pump to pump and, Cathar's test is not 100% accurate, he has said such himself. From Laing's charts I calculated the muffled pump to have approx. 1.5 feet (less than 1/2 meter) less max head. NOt something that is gonna really change the temp in your loop.
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*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* E6700 @ 3.65Ghz / P5W DH Deluxe / 2GB 667 TeamGroup / 1900XTX PC Power & Cooling Turbo 510 Deluxe Mountain Mods U2-UFO Cube Storm G5 --> MP-01 --> PA 120.3 --> 2x DDC Ultras in Series --> Custom Clear Res "Artificial intelligence is no match for natural stupidity." 1,223,460+ Ghz Folding@Home aNonForums *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:* |
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#43 | |
Cooling Savant
Join Date: Feb 2004
Location: Massachusetts, USA
Posts: 158
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#44 |
Cooling Neophyte
Join Date: Jul 2004
Location: Australia
Posts: 3
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well fair enough that it might not make that much difference, but it's not exactly mild variation is it? iirc it was only about 5% off laing's figures at the time...6 vs 12lpm at 2 mH2O is not what i'd call a small difference. max head is not really that relevant, as stated. to match the 'old' version at 12lpm and 2 mH2O, the 'new' revision would have to drop to 1.2mH2O. that's quite a difference.
btw, i am just quoting numbers at you. as i said, w/c n00b, so clueless as to the practical effect of the above ![]() |
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#45 | |
Cooling Savant
Join Date: Jul 2003
Location: Michigan, USA
Posts: 456
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Also, I think Bill mentioned that is a prototype of the 650. Its possible that the production model has differetn characteristics.
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