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Mod to silence a pump?

post #1 of 12
Thread Starter 
So I'm thinking about getting back into watercooling, but the only way this is going to happen is if I can figure out how to absolutely silence the pump. I was hoping you guys might have some suggestions.

Back in the day, maybe 2 years ago, when I had water cooling I had the MCP655 vario...and to me that thing was LOUD. I remember setting the speed to the lowest, but it was still obnoxious. I had it on one of those gel pads, but the propeller let out this whining hum I just couldn't stand.

So here are my thought:

1. Put it in a lead lined box, or sound proofing.. not sure yet. Then mount heat sinks on the entire outside surface of the box. I'm not thinking this would work very well though.

2. Do the same as 1 but leave one side open and put a 120mm fan on it.

I know these pumps get warm, but does anyone know the max safe operating temp of them? The pump would probably not be mounted in the case so I'm open to all suggests.
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post #2 of 12
Sponge!!!
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post #3 of 12
Its about how you mount the pump if you want silence, a D5 vario with an X-top on its own is silent - I've had to touch mine to make sure they're running, as soon as you fix it to the case though or fix it to some sort of res/pump you hear the transmitted vibrations. Have it free floating attached only by the tubing and sitting on a couple of bits of gel-stuff, I doubt you'll hear it.
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post #4 of 12

Here's another video from Martin, he uses a pump to metal scenario, pump to neoprene (black pad that is with most Swiftech pumps), pump to egg crate material.


Egg crate really did the best.

Here's the whole article that he did.
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post #5 of 12
I've been thinking about silencing a pump myself. I haven't actually ordered my loop yet though so I have no experience.

I don't see a problem with completely encasing the pump in any sort of soundproof enclosure.

My cheap idea:
Mount the fan on a 1" thick foam rectangle and place that inside a small box lined with more foam, with sealed holes for input/output/power.

My thinking is that you don't need to worry about cooling the pump since the pump doesn't use that much power. Also it is a WC pump after all so any heat should be taken by the coolant that it's pumping.
"down with noise"
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"down with noise"
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post #6 of 12
Quote:
Originally Posted by tom thumb 2 View Post
I've been thinking about silencing a pump myself. I haven't actually ordered my loop yet though so I have no experience.

I don't see a problem with completely encasing the pump in any sort of soundproof enclosure.

My cheap idea:
Mount the fan on a 1" thick foam rectangle and place that inside a small box lined with more foam, with sealed holes for input/output/power.

My thinking is that you don't need to worry about cooling the pump since the pump doesn't use that much power. Also it is a WC pump after all so any heat should be taken by the coolant that it's pumping.
When I read the OP I instantly remembered seeing a sound dampening enclosure for a power supply - http://www.silverstonetek.com/produc...=pp02&area=usa

So I figure why not a sound dampening enclosure using that still allows the airflow in and out but helps reduce the acoustic noise bothering the OP - then got to his post and saw he beat me to it

Although I do want to point out - according to Martin's testing, a pump with an aftermarket top pulls a decent amount of power and from reading other peoples posts they can overheat or get pretty hot.
    
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by Darren9 View Post
Its about how you mount the pump if you want silence, a D5 vario with an X-top on its own is silent - I've had to touch mine to make sure they're running, as soon as you fix it to the case though or fix it to some sort of res/pump you hear the transmitted vibrations. Have it free floating attached only by the tubing and sitting on a couple of bits of gel-stuff, I doubt you'll hear it.
Oh, I know I'll hear it, at least with the stock top. I never bought an after-market top for it, maybe that would help. I even had my brother lightly hold the pump to see if it was vibration coming through where I had it mounted. Suspended is an idea though.

Quote:
Originally Posted by werds View Post
When I read the OP I instantly remembered seeing a sound dampening enclosure for a power supply - http://www.silverstonetek.com/produc...=pp02&area=usa

So I figure why not a sound dampening enclosure using that still allows the airflow in and out but helps reduce the acoustic noise bothering the OP - then got to his post and saw he beat me to it

Although I do want to point out - according to Martin's testing, a pump with an aftermarket top pulls a decent amount of power and from reading other peoples posts they can overheat or get pretty hot.
Right, I know that they need air flow for sure. It is a motor after all. That powersupply sound dampener is kinda like the number 2 option I was thinking of. To me it looked like it was trying to direct the sound rather than complete enclose it. If I left a side open away from me it make do the trick.

I've been out of watercooling for a long time; what tops are recommended nowadays?
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post #8 of 12
Sponge!
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post #9 of 12
Thread Starter 
Quote:
Originally Posted by antipesto93 View Post
Sponge!
Why do people keep saying that?
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post #10 of 12
Quote:
Originally Posted by NewAtOCing View Post
Why do people keep saying that?
Alot of people, get a washing up sponge, and put it under the pump, it massively reduces the vibrations you get from the pump on the case, alot more than the gel that comes supplied.
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