We use to soak coffee beans overnight and strain it and mix with half and half or blend in ice cream. Tasty way to become near comatose....... Back ON TOPIC.... Alcohol as coolant was discontinued when pressurized systems evolved. Using alcohol as a coolant doesn't give you the temperature spread or efficiently needed for a pressurized system. Also there is the flammability issue. hehehe. Never do a flaming shot of it. I have seen it go badly more than once.