Now that we’ve covered the desire to build a well insulated refrigerator and freezer, as well as the advantages associated with living in a cold climate where ice can be produced passively, it’s time to move on to the detail…
Blog Archives
Free Fridge -or- The Collaborative Cooler
“Think free as in free speech, not free beer.” -Richard Stallman Refrigerators are not software, but they could be designed and shared freely like software. Granted, I’m talking about hardware: steel, glass, copper, insulation, etc., but why not have an…
Tagged with: butane refrigerant, natural refrigerant, open desing, open source, propane refrigerant, r290, refrigerator
Posted in Philosophy, Refrigeration, Refrigerator
Posted in Philosophy, Refrigeration, Refrigerator
Ejector Assembly Construction
This is a three part series on refrigeration ejectors. Part I on theory, is Ejectors in Refrigeration – an Expressor, and Part II on manufacturing techniques, Handmade Copper Ejector. There is a lot of video media, so I will jump…
Tagged with: brazing, diy refrigeration, ejector, expressor, heat pump, HVAC, hydrocarbon refrigerant, injector, jet pump, natural refrigerant, propane refrigerant, R-290, r290, refrigerant ejector, refrigerant jet pump
Posted in Refrigeration
Posted in Refrigeration
Sealing Thermocouples Into Refrigeration Lines
I thought I would provide some media to help describe my method of installing thermocouples into refrigeration lines. I’ve found in working with the Ebullator, that the temperature readings I was getting by taping thermocouple tips to the outside of…
Tagged with: diy refrigeration, epoxy, HVAC, natural refrigerant, propane refrigerant, R-290, refrigeration, temperature sensor, thermocouple, vapor compression
Posted in Refrigeration
Posted in Refrigeration
Cannibalizing the Ebullator
I’ve moved on, in regards to what I think can be learned from the first flooded evaporator system, I have been calling “The Ebullator”. Far too many limiting features were preventing me from moving on to the next step in…
musings on entropy 