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Re.: Operation
I believe the mechanical operation will work. I have read the earth has a constant temperature below a certain number of feet and all of this varies with the area of the country. Around Houston it is supposed to be some were about 55-60 degrees below 4-5 feet but I am not sure.The information I am lacking is the amount of piping in the earth to condense the vapor continually and the amount of solar panel area to absorb the required BTU. The propane would be at the required vapor pressure to operate within this temperature range.
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