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Axle · 02-16-2003, 06:58 PM

I've only ever constructed one radiator, which was a miserable failure. It kept things near 34C, but it was exposed to our chilly outside winter air (it's currently -12C). It was built under size constraints, but a difference of 46C is still quite a bit. This is it right here, I'm back to the bucket for the time being (I had to remove it today- turned the pump off last night and it was frozen solid). Images are clickable(56k alert):

So that was defiently a failure & has now been retired.

Now I've got ~18ft of 1/2"ID copper tubing, as well as ~10ft of 1/4"OD softset tubing and I'm curious as to which everyone thinks will work better. The smaller diameter would slow down the flow sufficiently and probably cool quite well, but it may prove to be a tax on my Maxi Jet 1200 (295GPH & a TC4/Innovatek GF4 to get through). I've been thinking about the best way to do this, too, wind it tightly, loosely, ??? I've also been thinking about putting it in a larger diameter tube, filled with seperate water that doesn't mix, but don't know how well that might work. Rad/HC watercooling (actually water cooling the rad and HC) has been an interest of mine for a little while now. The 1/4":

If I do go with the 1/2" tubing, I would like to model it off Gerwin's design (if you stop by mate), but am looking for possible improvements. As far as I can tell yours is around the size of a good sized case (~20"x15"?), and while that'd be fine, a little smaller would be nice.

Suggestions? Comments? Ideas? Anthing would be very much apprechiated.

02-16-2003, 06:58 PM	#1
Axle Cooling Savant Join Date: Aug 2002 Location: Wind Gap, PA Posts: 112	Passive radiator construction I've only ever constructed one radiator, which was a miserable failure. It kept things near 34C, but it was exposed to our chilly outside winter air (it's currently -12C). It was built under size constraints, but a difference of 46C is still quite a bit. This is it right here, I'm back to the bucket for the time being (I had to remove it today- turned the pump off last night and it was frozen solid). Images are clickable(56k alert): So that was defiently a failure & has now been retired. Now I've got ~18ft of 1/2"ID copper tubing, as well as ~10ft of 1/4"OD softset tubing and I'm curious as to which everyone thinks will work better. The smaller diameter would slow down the flow sufficiently and probably cool quite well, but it may prove to be a tax on my Maxi Jet 1200 (295GPH & a TC4/Innovatek GF4 to get through). I've been thinking about the best way to do this, too, wind it tightly, loosely, ??? I've also been thinking about putting it in a larger diameter tube, filled with seperate water that doesn't mix, but don't know how well that might work. Rad/HC watercooling (actually water cooling the rad and HC) has been an interest of mine for a little while now. The 1/4": If I do go with the 1/2" tubing, I would like to model it off Gerwin's design (if you stop by mate), but am looking for possible improvements. As far as I can tell yours is around the size of a good sized case (~20"x15"?), and while that'd be fine, a little smaller would be nice. Suggestions? Comments? Ideas? Anthing would be very much apprechiated. __________________ "Once we've got those bugs flattened out, we'll be running on flat bugs"