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RAT
Dodge Dakota
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7/22/2004
15:37:31
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 Subject: RE: Plastic Radiators
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If you heated a 3 cubic ft block of copper, and a 3 cubic ft block of aluminum to the same temperature wich one would lose the temp faster? From what I can tell the Aluminum will lose the energy at a faster rate due to the fact that it has less critical mass to hold on to it. Thats one of the reasons that plutonium is used to make great bombs. Because of it's much larger critical mass, it has the wonderfull property of holding onto emmense amounts of energy before it is no longer possible, and it is overloaded to the point of atomic breakdown. Your wont see them using aluminum any time soon because it's properties wont allow it to carry large amount of energy, which is what heat is. Ergo it will dissapate heat at a higher rate regardless of how well it can retain, or conduct it
One thing I know is that I replaced my radiator afer putting a stick through it. I used an all aluminum Becool radiator, and my truck has almost no need for a fan. Except for extended idles in a long drive through line. Compared to the stock radiator this one kicks A.
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Jeremy Mc.
Dodge Dakota
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7/22/2004
15:43:57
|  RE: Plastic Radiators
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No Bob..... I don't have any bullsh!t schooling. If you have to have any schooling past high school, you wern't meant to succeed.
27 years in the world of automotive? You sure don't sound like the type of person anyone I know that would be comfortable leaving their vehicle with.
As I said before... those two CPU heatsinks were identical, even the fins..... just one was copper all the way and the other had aluminum fins. The half copper, half aluminum version dominated cooling.
As far as the cost of copper. Griffin is probably one of the most respected show car / high-performance radiator maker in the country. Even they say aluminum is more efficient for a radiator. If copper really was a better way to go, don't you think they'd offer solid copper versions as well? I mean if they colled better than copper people would just on them to bet their BB427's to run cooler with the tiny space reserved for the radiator in the hotrod's from the 30's & 40's. Of all the car shows and GoodGuys shows I've ever been to, I can't recall one copper raditor unless it was a 100% stock restoration from the copper radiator era.
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Kowalski
GenIII
7/22/2004
16:02:13
| RE: Plastic Radiators
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Message:
Rat - you're mixing up two different concepts here. You mean to talk about the mass of aluminun, not its "critical mass ". Its a whole different concept when you start to discuss the critical mass of plutonium - thats the amount needed to set off a nuclear reaction (explosion); and is not a reference to its density as you seem to believe.
Well, I'm off to the races at N.H.I.S. this weekend, then on to Lake Winnepesaukie camping for a week afterwards. I wouldn't be surprised if some of you guys are still arguing over this when I get back. Have fun !
Lead, follow, or get out of the way
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HI
Dodge Dakota
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7/22/2004
18:13:00
|  RE: Plastic Radiators
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Message:
FIGHT FIGHT FIGHT
KICK HIM
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dirty harry
Dodge Dakota
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7/22/2004
18:56:45
|  RE: Plastic Radiators
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Message:
"Go ahead........" [as gun is drawn]
"Make my day...." [serious facial expression]
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