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Gold/Mining/Energy : Big Dog's Boom Boom Room
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To: tom pope who wrote (81950)3/27/2007 9:19:25 AM
From: ChanceIs   of 206181
 
>>>So from now on I'll get up at 5 A.M. in summer and fill up while the gas hasn't yet warmed up.<<<

Just to be totally picayune, I won't recommend against getting up that early. There is quite a thermal lag to consider. I think that air temperatures are lowest in the first hour after dawn. You have to remember that the earth is a radiating body which is continuously dumping heat to deep space. Air temps will be minimum when the total radiant flux has been balanced by the new incoming solar flux of the new day.

The earth between the surface and the storage tank acts as an insulator. I would think that the earth temp would minimize at the same time as the air temp, and therefore that the tank temp would also minimize at that time. However because of the insulating effect and the thermal mas of the earth, the tank might not experience any appreciable heating until....say two hours after sunrise.

This is important to a night owl like me.
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