DDC heatsink anyone??

[NaeKuh]

Makes sense... however, you would need to change the entire bottom casing.

Having bei mill a thick peice of alu like that into the shape would cost more then the pump itself.

The plastic gets hot anyhow, whats a quick fix, a fan, but a fan looks really ugly by itself.
So the next solution is a sink.

The plastic is kept cooler there fore the internals must be kept cooler. Its a simple idea of physics.

Guys bei is done with my mosfet block..

[Ttocs]

Purdy. When's the NDA lifted on the internals?

Edit: No more pictures?

[outtamyhouse1]

andyc Good explanation. above post ^^^^:x

The plastic is kept cooler there fore the internals must be kept cooler. Its a simple idea of physics.

The core temp inside the pump motor be higher? Could be very useful in high temp areas. Maybe this heatsink could be appropriate when the pump is put in confined spaces. So this would be usefull>>

[NaeKuh]

Purdy. When's the NDA lifted on the internals?

Edit: No more pictures?

decided to let bei show it off instead..

LOL... Sorry... :X

[gillbot]

Yeah...lol, a little critical thinking and common sense go a long way in figuring stuff out Or we could run around creating tricked out parts that really don't solve the problem The sink is a cool looking well made part, just don't see where it would solve the root of the problem. If in fact it's a problem at all with the new DDC versions.


andyc

While it is true that the sink doesn't effectively shed heat, the plastic still gets hot so therefore it is drawing SOME heat away from the unit. Drawing some heat away through the plastic is still better than nothing at all.

[AndrewZorn]

I agree, it's still really creative and cool (superlol), I'm just saying there are plenty of people out there who WILL spend the price of the pump to get an entire bottom machined. Especially if it boosted reliability and lifetime. Then we just need to see Swiftech adopt aftermarket top and bottom ideas, and sell the pump "already good" for less money, since half of it isn't being thrown away... oh wait, thinking in dream-land again.

[outtamyhouse1]

50,000 hours mean time before failure (MTBF) for DDC 3.2. So what temp does this hold true? 25c or 50c? Can anyone clarify? It would be nice if it would be high so there would be some headroom. So full aluminum bottom maybe a little


Corsair HX1000W >> Guaranteed to deliver 1000W of continuous power at 50°C
http://www.corsair.com/products/hx1000/default.aspx<<See, Reliability at high temps. Do you guys like Corsair PSU's?

[AndrewZorn]

Yeah, Corsair PSUs are basically amazing. Well, the 620w is...

That 50*C part is one of the reasons I trusted the reliability, I didn't usually see truth in advertising when I was shopping for power supply.

[TedShred]

@ mcoffey: Hmmmn... your explanation makes a lot of sense. I'd never thought of it that way before. If you wouldn't mind helping a noob flesh things out a bit - doesn't that reasoning also put the kibosh on any sort of cooling aimed at the external surface of the pump? I've read about guys making sure there's proper airflow around the pump, or even mount fans to blow on the pump (casing). Isn't that all the same principle? Thanks.

[TedShred]

thanks

[AndrewZorn]

Keeping some fresh air circultaing around the pump would cetainly be nice, but I wouldn't go as far as designing heat sinks for the casing. Or designing my whole build around keeping the casing cool. They seem to work fine as is, as long as you don't set the pumps base on something which would trap the heat. I just make sure mine's suspended somehow, and they've alway held up fine for me.

andyc

You can improve on "enough" though. The more heat that comes off that motor means less in the loop. It would actually decrease temperatures, not sure if it would be noticeable or measurable though. Just to decrease the pump heat dump everyone complains about.

[SiGfever]

You can improve on "enough" though. The more heat that comes off that motor means less in the loop. It would actually decrease temperatures, not sure if it would be noticeable or measurable though. Just to decrease the pump heat dump everyone complains about.

Cooling of the motor windings is the best way to prolong the service life of the pump. If the windings are cooled enough the extra loading from an aftermarket top will have minimal impact on the pump.

[AndrewZorn]

I don't understand what you are saying. The WATER is cooling the pump (primarily? at least SOME, that's what heat dump is). The more the AIR cools those windings, the less heat in the water, less heat to be dispersed by radiator, cooler water through blocks. It's the same principle as the waterblock and radiator.

EDIT or are you agreeing?

[SiGfever]

I don't understand what you are saying. The WATER is cooling the pump (primarily? at least SOME, that's what heat dump is). The more the AIR cools those windings, the less heat in the water, less heat to be dispersed by radiator, cooler water through blocks. It's the same principle as the waterblock and radiator.

So what don't you understand?

Motor windings and their insulation start breaking down with excessive heating. Once they deteriorate enough they will short the windings, killing the motor. If the windings remain cooled properly they will perform longer.

[AndrewZorn]

I just had trouble running through your sentence. You are agreeing with me. I thought you were saying that the water picking up the heat from the motor, albeit inefficiently, is enough to keep the pump in service. Just me, I guess.