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post #78351 of 107772
They ran the pump dry to see how loud it was on the premise that doing so would have little to no effect on the noise it would produce.

Pumps are much louder if they get even a small air bubble in them, so I can only imagine the noise it makes running it completely dry, though I've never tried it to know for sure, nor would I ever, because regardless they likely damaged if not completely ruined the pump.

Watercooling 101: Lesson 1: Do not ever run your pump dry.
post #78352 of 107772
http://www.silentpcreview.com/forums/viewtopic.php?f=13&t=68204
Quote:
Good info, thanks. I wondered if I was damaging the pump running it dry... but didn't get clarification from the sample supplier. It wasn't done very long, and sounded bad right from the start. I suspect the bearing on that pump failed for whatever reason. I've requested a second sample of the pump, and as I stated in the article conclusions, will report back any new findings.

So from your comments, it sounds like you're an old hand at water cooling? Is there a separate reservoir type or model you'd recommend?

Mike clearly didn't do his research and likely just looked at Martin's test results and dicussions page. I don't blame him necessarily but he says he looked at several sources including this very forum and not knowing that the pump running dry would be bad is a free admit into Watercooling 101
post #78353 of 107772
I mean, you don't necessarily have to be a watercooling expert to know that you do not let pumps run dry and that the noise differences are extreme with/without water, and get bigger the bigger the pump is.

Why would one post such gimmicks as "research".
post #78354 of 107772
I wrote an email to Mike about this, hopefully gives him some ideas on all the different variables he didn't think of- pump top, decoupling, things like the Alphacool isolating box (whatever it is called) and the Shoggy sandwich, and the effect of bleeding a loop on pump noise.
post #78355 of 107772
" The absence of liquid in the reservoir and pump may have exacerbated the noise, as water has acoustic damping properties, but we were doubtful that it would have more than a marginal effect. "

post #78356 of 107772
^ hahaha Cenk laugher.gif

I do hope they stick with it and it eventually leads SPCR to including fan noise & airflow testing on a radiator. Their testing in open air and against an air cooler restriction just doesn't apply to how the same fans perform against the restriction of a rad.
Edited by Unicr0nhunter - 1/15/15 at 8:57am
post #78357 of 107772
Yeah, their noise measurement setup is well established. So hopefully they keep going. But looking through Mike's comments in the forums, it does seem like he isn't a fan of any watercooling at all.
post #78358 of 107772
Quote:
Originally Posted by royce5950 View Post

It miiight be that these look a little bit more thick, round or puffed up, but if thats what your talking about its because lutro0 and other pc mod suppliers take the inside out prior to shipping to their customers. Its kind of an added perk of buying paracord though one of them rather than buying it like this. but honestly if you have only bought paracord from pc mod resellers dont be scared by this. the inside is already hanging out most of the time and it comes out like its practically throwing itself at you lol smile.gif

To be honest I have no clue.

I can imagine what you mean, but I haven't worked with sleeves before myself.

Is it something that it uses to actually make the sleeve? The internal thingy.
Quote:
Originally Posted by Unicr0nhunter View Post

They ran the pump dry to see how loud it was on the premise that doing so would have little to no effect on the noise it would produce.

Pumps are much louder if they get even a small air bubble in them, so I can only imagine the noise it makes running it completely dry, though I've never tried it to know for sure, nor would I ever, because regardless they likely damaged if not completely ruined the pump.

Watercooling 101: Lesson 1: Do not ever run your pump dry.

I love dry pumping.

My god that sound is awful.
I had it happen to me slightly when filling my first loop for the first time. Hadn't expected that the d5 vario on speed 5 sucks down a 150ml res so quickly. tongue.gif

Sluuurp, grrrr.
Quote:
Originally Posted by Unicr0nhunter View Post

^ hahaha Cenk laugher.gif

I do hope they stick with it and it eventually leads SPCR to including fan noise & airflow testing on a radiator. Their testing in open air and against an air cooler restriction just doesn't apply to how the same fans perform against the restriction of a rad.

Totally agree on this.

Fan noise in particular.
It changes a lot if the restriction increases.
    
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CPUMotherboardGraphicsRAM
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Hard DriveHard DriveOptical DriveCooling
WD Caviar Black Sata-3 64MB 840 evo DVD R/W Combo Alphacool 360 ut60 
CoolingCoolingCoolingCooling
EK-FC R9-290X - Acetal+Nickel (Rev.2.0) EK-FC R9-290X Backplate - Black EK-FC R9-290X Reinforcer - Black Fittings and adapters 
CoolingCoolingCoolingCooling
Ek supremacy EVO ek 420 radiator ek revo d5 Bitspower acrylic tubing 
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Windows 10 pro BenQ XL2730Z Ducky One DKON1508S Corsair HX850i 
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post #78359 of 107772
Guys, trying to find these in a store that ships to Brazil:

https://www.led-lighthouse.co.uk/led-strip-lights/led-strip-aluminium-profile/corner-aluminium-extrusion-for-led-strip?products_id=121:42fff8daa4865331f4ed6e527e9f6c72

without luck so far. Anyone have any suggestions. It seems most vendors from China are trying to sell in bulk (like 20 pieces of 1 m) and I only need 3 m tops. I will try to cut tubes in half and sand it down to frost it but want to have options in case that does not go well.
post #78360 of 107772
Thread Starter 
Quote:
Originally Posted by Gabrielzm View Post

Guys, trying to find these in a store that ships to Brazil:

https://www.led-lighthouse.co.uk/led-strip-lights/led-strip-aluminium-profile/corner-aluminium-extrusion-for-led-strip?products_id=121:42fff8daa4865331f4ed6e527e9f6c72

without luck so far. Anyone have any suggestions. It seems most vendors from China are trying to sell in bulk (like 20 pieces of 1 m) and I only need 3 m tops. I will try to cut tubes in half and sand it down to frost it but want to have options in case that does not go well.

I get my LED covers from there,I may be able to do something for you as I have to order up soon.
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Be Quiet Dark Power 850 InWin D Frame Mini 
CPUMotherboardGraphicsRAM
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