Quote:
Originally Posted by teoman
2 pounds per minute is very very roughly 1 liter per minute, the car would need to be burning 60 liters per minute...
Which would be a 1/4 efficiency gain for that particular car.
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2 pounds of propane per minute would be much more than 1 liter per minute because of propane's low density. 1 pound of propane is about 0.23 gallons, so 2 pounds of propane would be about 0.46 gallons, or about 1.75 liters or so.
Also, as stated in the post, the 2 pounds per minute that I calculated was using R22 refrigerant and a 12000 BTU AC system just as an example.
Also, I have read that a typical car has a 3 to 5 ton AC system, which would be 36000 to 60000 BTU per hour.