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Build Log: Project Polaris - Page 3

post #21 of 27
The bgears are like honey badgers they don't really care about restriction, they'll power through it and give off a couple db more noise, cannot say the same for the prolimatech fans though.
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post #22 of 27
Thread Starter 
Quote:
Originally Posted by DirkDaring View Post

The bgears are like honey badgers they don't really care about restriction, they'll power through it and give off a couple db more noise, cannot say the same for the prolimatech fans though.

From all the research I've done in the Prolimatech fans they seem to have very high airflow when there is little or no restriction present, and really bottleneck in the presence of medium to high restriction. Now this shouldn't be an issue, because as with pumps so long as the maximum potential flowrate of the device is equal to or greater than the current flowrate of the setup only improved performance can result, as the device would need a smaller maximum flowrate than the current setup in order to add restriction to the current.

In short, they should be fine. The reason I'm picking them over other 140mm fans is because they have similar max airflow to the BG fans, and are fairly quiet. Since they will be the ONLY fan exposed to the actual outside of the device. I wanted them to be quiet. Noise dampening inside the chamber itself should be easy. Splashing water is easily silenced, and the noise from the other fans can be dampened with some neoprene foam.
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post #23 of 27
Which means the prolimatech fans have very weak static pressure.
The bgears blasters ... They IMO look like crap and feel like crap but on top of that also overrated redface.gif

But still you want fans that produce more CFM with restriction for the same noise level, you really really want that. I guarantee.

Not too assuring knowing i'm a heavy delta fan user wink.gif
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post #24 of 27
Thread Starter 
Quote:
Originally Posted by DaveLT View Post

Which means the prolimatech fans have very weak static pressure.
The bgears blasters ... They IMO look like crap and feel like crap but on top of that also overrated redface.gif

But still you want fans that produce more CFM with restriction for the same noise level, you really really want that. I guarantee.

Not too assuring knowing i'm a heavy delta fan user wink.gif

The BGears are mass produced, and made out of cheaper materials coupled with bearing whine. I'm aware of all the gripes and flaws with them. That being said from what I've gathered their 140mm fan has very good CFM through high restriction cases.

The Prolimatech have a fairly good static pressure actually. It has 1.8mmH2O, which to give you an idea of comparisons the Scythe GT-AP15 has 2.0H2O, and the Cougar Vortex has 1.7mmH2O. Given the reputation from it's users it must have a pretty drastic performance curve. Just visually scanning it I can see why. It doesn't have much curvature, so it will not focus the airflow. It also has a fairly notable gap between the ends of the blades and the outside of the housing. If preliminary assumptions serve to be accurate then it's airflow could simply escape between those gaps when faced with notable restriction.

Unfortunately I don't have resources to put such theories to the test. I'll just have to let research and reviews guide me for now.

Anyways, this is all getting a bit OT now. biggrin.gif
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post #25 of 27
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Double post. frown.gif
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post #26 of 27
So are you planning to use "ice dragon" fluid? I forget if thats the name.

While youare planning with your prototype, why not construct a regular cooling tower? Most people refer to them as 'bong' coolers, but they are basic water towers.

http://www.overclock.net/t/505702/bong-bong-bong-56k-warning

Its basically what you have in mind, and you can get all the hardware at a local hardware store too.

Any particular reason why you wold use anything other then regular distilled for this sort of tower construction? You will lose a lot of water hourly, might get expensive to refill. I know for sure that you wont be able to reclaim all of the fluid you evaporate.
post #27 of 27
Thread Starter 
Quote:
Originally Posted by NimbleJack View Post

So are you planning to use "ice dragon" fluid? I forget if thats the name.

While youare planning with your prototype, why not construct a regular cooling tower? Most people refer to them as 'bong' coolers, but they are basic water towers.

http://www.overclock.net/t/505702/bong-bong-bong-56k-warning

Its basically what you have in mind, and you can get all the hardware at a local hardware store too.

Any particular reason why you wold use anything other then regular distilled for this sort of tower construction? You will lose a lot of water hourly, might get expensive to refill. I know for sure that you wont be able to reclaim all of the fluid you evaporate.

The plan is to use distilled water with a coolant concentrate, preferably a nanofluid such as Mayhems Pastel. We'll have to see how efficient it is at recapturing the coolant, and I can run basic tests with nothing more than distilled water as to test liquid loss without dumping a ton of money into it. I have a few other ideas to improve the liquid "recapture" chamber, but before I start over complicating it I want to see how the current design works.


As to using additives other than pure distilled water, I've always preferred colored coolants over colored tubing and I know there are a lot of people who agree with me on that. I probably won't use Ice Dragon as it's rather pricey and just by default this design will take a notable amount of coolant.

If all else fails I could simply use a design identical to an actual bong and force the air in circulation to flow under the coolant reservoir in the recapture chamber. At that point, I'd imagine liquid loss would be negligible, and even if there is any it would almost certainly not contain any of the nano particles. The problem with that is then is the keeping airflow up on this design is going to be difficult. Beyond that, then I'd need to design a way to remove air bubbles before it enters the reservoir, which would be a hassle. I could imagine there would be a performance drop as well.

I'm trying to maintain simplicity here.
Edited by ZytheEKS - 8/21/13 at 9:36pm
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