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DO NOT use XSPC res tops with your Swiftech pumps... - Page 8

post #71 of 80
Quote:
Originally Posted by Phos View Post
The XSPC restop has a distinction between it and other res/tops that I don't think should be glossed over: It has that tube that directs water flowing into the res directly at the impeller. No other top or restop that I know of is set up like this.
Stop me if I am wrong but what this seems to do is reclaim some of the remaining head pressure of the pump and drive it right back down into the inlet of the pump, maybe the analogy could be used akin to how a turbo charger works, using waste power to make more power. Like a turbo there are issues. Guess ya cant get something for nothing.

Being that the force is direct down into the pump and the pump rotates 90 degrees to that force, it must still overcome this downforce being applied to it, so it is not a 1:1 power boost, but somthing far more fractional.
 
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post #72 of 80
I suspect that it could represent an increased failure rate due to an unusual set up that places unexpected forces on the pump, basically. I suspect that that tube does reclaim unused head pressure (almost like putting a pump in serial with itself), but I can't pretend to know why this would cause it to fail. The momentum for the water could carry it in with enough force to make the pump run faster than it would otherwise (maybe?), or it could even be something weird like the direct pressure pushing the impeller in contact with something that it doesn't normally touch. I draw such attention to this tube because no other res/top has anything like it. I don't think that having a central inlet would cause a DDC to fail on its own because Laing makes a version of the DDC with a central inlet. No idea why watercooling shops don't stock that version.
    
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post #73 of 80
Quote:
Originally Posted by Phos View Post
I don't think that having a central inlet would cause a DDC to fail on its own because Laing makes a version of the DDC with a central inlet. No idea why watercooling shops don't stock that version.
Because it doesn't have feet and that would make it very hard to securely mount in your case.
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post #74 of 80
Quote:
Originally Posted by charliehorse55 View Post
Because it doesn't have feet and that would make it very hard to securely mount in your case.
It still can be mounted in the case. There are two mounting holes on the bottom or use a 3/8 foam pad with the center cut out for cooling.
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post #75 of 80
Quote:
Originally Posted by SilveR_172 View Post
To be honest i stopped reading your comment from the phrase backyard engineer,
As this is simply not the case XSPC is a widely known custom water cooling component producer to be honest when i got into water cooling i was surprised that the Americans heard of XSPC as its a British firm, but XSPC Make quality components like all their blocks rad and Pump tops its just unfortunate that the Res tops you speak of are breaking the pumps all the mods that XSPC Create are tested massively and when you fit a product you fit it at your own risk , if you don't want to take the risk of breaking the pump the "DONT FIT IT! " Simples as my meerkat friend would say ,
Now I am interested, I am looking into these pumps and tops.

Now the guy that posted the query sounds as though he knows his gear, so I think an insult just to brush off his question.

I own 2 XSPC X20 GPU blocks and they are solid so I am not questioning the quality and neither was he, I guess it doesn't matter if it's quality or not it could be made of gold and cost 10K for all I care. But if it wasn't designed by an engineer then it wasn't.
So how could you stand there and get all offended when someone asks, was there an engineer there to sign off on the design?

Now I want to hear his question answered, in all honesty the boss/CEO or who ever you know shouldn't mind answering that question if he/she stand by their product.

As you said it's all quality, but what we ask now is was all that information taken in whilst designing the pump top?
post #76 of 80
Slight thread derailment here (but semi-relevant since we're talking about the same company; Swiftech).

I'm starting to believe more and more that it's just a bad batch of pumps that made it through Swiftech & Laing's QC. Why do I say that? Well, I just got my Apogee XT along with the socket AM2/3 hold down adapter plate in the mail today. Check this 'ish out:



What you're looking at are two of the four tension springs the AM2/3 plate came with. Can you see what's wrong (forgiving the bad cellphone pic and the slight perspective error)?

Give yourself a gold star if you guessed that one is shorter than the other. The spring on the left is shorter than the one on the right. It's not compressed more though; it's physically cut shorter by a few millimeters. It's blatantly obvious that the spring is cut wrong since it's missing the shoulder on it that the other side has and almost looks like it was cut with a pair of diagonal cutters. I saw it immediately when I opened up the package and I set the springs aside.

Yeah, I know crap happens and some things will occasionally pass through quality control, but either someone was completely asleep at the wheel or Ray Charles is in charge of their QA department.

...and before a member of the Mensa fan club says "it's not the same thing as a pump" or "just call it in and get another one", obviously it's not the same thing as a pump (that and it's not a huge deal. I have a few spares kickin' around from past Swiftech waterblocks I've owned so it's not even worth me contacting them for a replacement). The point is, if something as trivial as a spring that was defective (and it's visually obvious) could make it past not only their supplier and them as well, who's to say that it's not happening with other items too?

Maybe I should call it into them though, just to hear what excuse they'd give for the defective part? "Sorry, but we won't warranty the spring because you used a Ginsu knife to open the box the item was shipped in. We only warranty it if a genuine Swiftech blade is used instead.".
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post #77 of 80
haha the spring is classic, hell ppcs have a note on there ek-wbs that they were going through opening the units, and inspecting them before shipping them out due to either bad hardware or no hardware in the box... so obviously, **** happens!

Quote:
Originally Posted by Phos View Post
I suspect that it could represent an increased failure rate due to an unusual set up that places unexpected forces on the pump, basically. I suspect that that tube does reclaim unused head pressure (almost like putting a pump in serial with itself), but I can't pretend to know why this would cause it to fail. The momentum for the water could carry it in with enough force to make the pump run faster than it would otherwise (maybe?), or it could even be something weird like the direct pressure pushing the impeller in contact with something that it doesn't normally touch. I draw such attention to this tube because no other res/top has anything like it. I don't think that having a central inlet would cause a DDC to fail on its own because Laing makes a version of the DDC with a central inlet. No idea why watercooling shops don't stock that version.
Possibly, again though I had stated that there has been no good data presented either way as to why when this pump is ported that it heats up. No argument that it does heat up "more" than usual, just the why has been some point of debate.

That said, there are plenty of things that have been "tweaked" on planet earth and have lived long and healthy lives to spite it. I have posted on this before and I will again, not only do I own this pump and this top, and they are right at this very moment powering the loop cooling the rig that is sending this post up, it is also very quiet, and when properly mounted/heatsinked, cool to the touch and less than .05% rpm variation when polled, which is right in line with the 12v service it is on.

I personally can not seem to find a problem here.

Now I once knew this guy that said to me that he had to crash 3 Porsche autos to learn how to drive a Porsche!

Not to kick the OP in the balls on this, but doing the same thing over and over and expecting a different result...
 
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post #78 of 80
Thread Starter 
Just an update:

I haven't sent in my last pump for RMA yet () and I've been using my computer with stock intel cooler. I don't know what to do at this point.

To clarify, I am not installing the pump incorrectly. I'm not stupid. I can read directions and I do research before doing almost anything related to my PC. I'm also not saying its XSPC fault so don't put words in my mouth, that's what swiftech was telling me caused the failures. I came here to ask if anyone else was experiencing failures, to which some replied yes. I doubt swiftech will RMA the pump because they have horrible customer service just by talking to them over the phone/email. They already assumed it was the top without examining anything. They may have data to prove their point with customers returning dead pumps used with tops but I somehow doubt that. I'm thinking of giving the 655 pump a shot and not going with any res tops. I don't have a crazy setup, as can be seen in the pic above. I don't even use the foam pad that swiftech instructs to put under the pump because it looks like it would accumulate more heat.
Edited by Vbp6us - 3/3/11 at 3:27pm
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post #79 of 80
Thread Starter 
Quote:
Originally Posted by Soggysilicon View Post
haha the spring is classic, hell ppcs have a note on there ek-wbs that they were going through opening the units, and inspecting them before shipping them out due to either bad hardware or no hardware in the box... so obviously, **** happens!



Possibly, again though I had stated that there has been no good data presented either way as to why when this pump is ported that it heats up. No argument that it does heat up "more" than usual, just the why has been some point of debate.

That said, there are plenty of things that have been "tweaked" on planet earth and have lived long and healthy lives to spite it. I have posted on this before and I will again, not only do I own this pump and this top, and they are right at this very moment powering the loop cooling the rig that is sending this post up, it is also very quiet, and when properly mounted/heatsinked, cool to the touch and less than .05% rpm variation when polled, which is right in line with the 12v service it is on.

I personally can not seem to find a problem here.

Now I once knew this guy that said to me that he had to crash 3 Porsche autos to learn how to drive a Porsche!

Not to kick the OP in the balls on this, but doing the same thing over and over and expecting a different result...
Did you read any of my original post? 3 pumps died. Two of them had a res top, one didn't. That doesn't = "doing the same thing over and over". Get it now?
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post #80 of 80
these pumps run hot

there is actually a board upgrade you can replace the factory pcb with that will solve the problem there is a guy on ebay buying up these defective pumps rebuilding them and selling them with the upgraded parts
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