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Thread: -40F mod for small freezer?
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03-03-2015, 03:24 AM #1
-40F mod for small freezer?
Hi there,
I am hoping to find out whether it is possible to modify a normal household freezer in such a way that it will be able to cool a couple gallons of water, spread out in trays, from room temperature to -40 within a few hours. Is this feasible? I was considering changing the coolant to propane, as it seems happier to go colder, then maybe changing the capillary tube? Any input would be greatly appreciated. I don't have a freezer picked out yet, since I don't know what I need to accomplish this.