Article from “Rodale’s New Shelter”, July-August, 1981
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We’ll be getting into the design considerations of two-phase thermosiphons, building a passive refrigerator, and other opportunities with having freeze ice.
Homesteading Refrigerator to Die With –Part 5– Passively Conducting Heat
Hey bud, Im in pdx and have a unique freezer I’d like to share with ya.( it works, and im already acustomed to taking apart) Its a Stirling free piston cryo cooler (uses thermosyphon) and runs of car battery! to -86C. lets link up to discuss check it out.
Yeah John. Didn’t you contact me before? I think I just sent a text.