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Well, it holds less than I was hoping. Liquid capacity a little over a gallon. That's too bad. Price was right though!
Update on an experiment I am conducting. Since I was curious to see just how long this 1 gallon capacity Dewar would hold a liquid hot, I made a quick lash up of an experiment last night. At 10:45 last evening I placed one gallon of boiling water into the dewar. I created a foam 6" diameter top to help keep heat loss through the top to a minimum. I poked a cheap digital temp probe in the container through the insulated styrofoam top and let the temperature stabilize. Basically it stabilized at 202 Deg F, and at 6:45 am this morning it was at 172 Deg F, at 9:45 am this morning it was at 163 Deg F, and at 10:45 it was at 161 Deg F. My experiment was only with water(not paraffin as planned), and certainly not under the optimal conditions, but at least I have some kind of idea what the heat storage capacity will be like.
Next on the agenda is to get some dimensions and make the heat exchange portion a reality.
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