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On 20 Mar 2003 at 19:30, Keith Park wrote: > It may also be that Mobil 1 has solved the heat transfer problem. I don't believe there ever was a heat transfer problem. No one out there explains what they mean by that and there are only 2 possibilities. The first is that the specific heat of the synthetics might be low, meaning that they could not be used to transport much heat. The specific heats are published, I believe, and they are not much different from petroleum oils. Both are significantly lower than water. The second is that synthetics won't give up (or accept) heat to/from other objects well, but that is also pretty absurd, since this property is pretty much identical for all liquids of a given viscosity. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org