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Old 08-11-2008, 04:59 PM   #15
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Originally Posted by markdoane View Post
Holy enthalpy Batman! Dig out the textbooks!

I always thought that the boiling point of butane was 31F. Now I find out that's really the freezing point.

Who would have thought things would change so much once calculators were invented.


31F is the boiling point, below that temperature, butane is a liquid. The various appliances in an Airstream use a gas and not a liquid to create heat. Therefore below 31F, butane is useless.


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Old 08-11-2008, 05:07 PM   #16
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In the 60's I was calling all LPG Butane. When I ask the delivery man a question about my butane tank, his answer to me was. " All butane tanks are underground and all above ground tanks are Propane." Since then I have just assumed that all above ground tanks contain propane. Since Dennis explained freezing point I understand why butane tanks were buried.


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Old 08-11-2008, 07:33 PM   #17
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I have an old Gaz backpack lantern (French) which uses the CV470 propane/butane mixture cartridge. I used it in lieu of the Coleman lantern in my Cabela's Guide model tent. I noticed that in really cold weather that it has a tendency to sputter a lot. I guess it is the butane in the propane that is doing it.


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