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Bill Dube wrote:
Being an experimentalist type, I would probably slowly warm up a small vented container of AvGas and carefully watch the level as I did so. The temperature at which the level started to change in the container would be the "redline" I would set for the tank temperature.
If you take an open container of gasoline at room temperature and leave it sitting out, without any added heat, the gasoline will vaporize away on its own. It essentially begins this process at nearly -40 degrees F if I remember the quote about vapor pressures earlier. Gasoline in a storage tank has a simple device that lets excess pressure escape without letting the majority of the gas vaporize away.
In any event, I would be VERY careful in conducting this experiment in that one gallon of liquid gas, when vaporized, has the explosive potential of over 30 sticks of dynamite. The vapor collects at the lowest point, and you may not even be aware of potential ignition sources, even if you used a lab quality hot air gun or hot plate.
Dave
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