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speedman
12-15-2002, 12:04 PM
Just picked up this gizmo from our local computer store. It's called a Badong and you can read about it on the following link.

Badong (http://www.badong.co.kr )

I can't wait to see if it will lower the CPU temp by drawing air in from outside of the case.

smokin
12-15-2002, 1:56 PM
Very interesting, I've never seen anything like that. You'll have to post back with the results.
:)

NDC
12-15-2002, 2:30 PM
Actually, that idea has been out in Korea for some time now.... Like 2 years? And yes, it does make a difference in processor temps drawing air from exterior of the case... The kit costs under $17 USD in Korea...

n7vxj
12-15-2002, 9:24 PM
;) Looks like a piece of dryer vent hose to me!!! lol

MDS
12-15-2002, 9:47 PM
Looks like it would take up a bunch of space in the case. and block case air flow which would effect chipset and video card overheating. LMK how it works

Mntsnow
12-15-2002, 9:52 PM
Keep us informed :)

jad1097
12-16-2002, 11:33 AM
May have to dig up a dryer hose to try this. Seems like it will cause the case to get hotter.

speedman
12-16-2002, 4:42 PM
Well here is what I wound up with after messing with this thing for a while this morning. My case is 7" wide and I was unable to make the bend to the fan hole in the back of the case satisfactorily. For one thing my CPU is real close to the back of the case and my heatsink is quite high. So when I did get it to fit the hose would stick out of the side of the case and I was unable to put the side cover on. So I opted to go thru the lexan window.
Now I'm running a P4 2.4 Gig. CPU and the temp before the install would average 34 to 36 degrees Celcius, After the install it dropped down to 28 to 30 Celsius.
Now don't say why did you do this because your temp was low anyway. I like to experiment with new gadgets and find out if they work or not. In this case it is not worth the time or the money but for an AMD user who is having temp problems it might very well be worthwhile.


http://www.digitalpose.com/mbr/1/10340/p/158279_9149033597030848285_v.jpg


OK here is what I did, I used a 4500 rpm 70mm fan that came with one of my heatsinks and connected it to a ThermalTake three speed switch that came with another heatsink. This is the fan that's on the heatsink and the switch allowed me to slow the fan down to 2900 rpm. The one that's attached to the window is a 80mm fan that runs at 2900 rpm so that there would not be any speed issues. I think if your going to run a setup like this a little thought should be put into the fans before hand. For me it was easy as I have a mess of parts to fool with.
The machine has been running since I made the earlier post and it is really quiet.

speedman
12-16-2002, 4:51 PM
Here are the temps.

http://www.digitalpose.com/mbr/1/10340/p/164884_1972125479078089068_vl.jpg

jadison
12-16-2002, 5:46 PM
Those are some seriously sweet temps, I'm infinitely jealous! ;) :cooldude: The setup there looks to be impressive, you should submit a nice pic of ur window w/the mod in our "case gallery" :)

Now to an OC'er, this mod would be worth it, as those few degrees mean the difference between a few hundred MHz and none at all ;)

BTW, do you OC?

This mod would be great for me as my AMD T-Bird setup runs quite hot, and not OC'ing mind u.

speedman
12-16-2002, 6:15 PM
No overclocking for me, I don't believe in it.

I'll push a $20,000 hot rod to the limit but not my $300.00 CPU.....;)

I'd rather spend the money once and buy the speed I want than mess around and screw something up and have to buy it twice.

smokin
12-16-2002, 6:43 PM
Nice!
:)
I think I like the look of it vented through the side of the case over the way they show it on their website.

n7vxj
12-16-2002, 7:32 PM
:confused: Are both fans pulling air into the case to the cpu,or exhausting the hot air out through the lexan?

speedman
12-17-2002, 5:54 AM
There is a fan on the lexan and another fan on the heatsink. Both are blowing onto the heatsink at 2900 rpm.

The fan on the back of the case is blowing out to remove any warm air inside of the case.

linux_guru
12-24-2002, 11:55 PM
Also available here in Oz, @ Aus PC market. (http://www.auspcmarket.com.au) :bunny:

Axel
01-17-2003, 2:39 PM
so I'll be looking for an over-sized and over-wide case the next time out - or I'll be making my own to make room for such a gadget -

but like MDS mentions - this is half the equation - you should probably have two exhaust fans drawing more hot air out of the case to protect the video chipset and the RAM

I can imagine a better configuration with the CPU in fan drawing air from the side of the case above the CPU so that the air doesn't have to travel far to the CPU - I'd also have a larger fan blowing in and put a particulate filter in place to keep the dust out which means you need an "in" fan with some serious torque on it to blow through a filter with some muscle if you know what I mean. -

Then two fans out - one at the top of the case drawing up and out between the drives like a chimney and one out the back to take the heat off the video card and ram.

No fans near the floor - especially "in" fans - too much dust and fur.....

and this time I'd put this on casters - I'm sick of draging out cases from under furniture and this would be too big to put ontop of the furniture -