I wonder if it would work with buckets?
https://urbansurvivalsite.com/zeer-pot-refrigerator/
https://urbansurvivalsite.com/zeer-pot-refrigerator/
Water powered refrigerator.
- Thread starter Magus
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Does work, but.. Highly-dependent on the 'Delta'... 
Been there, Tried that, decided a 12V / AC RV fridge / batts / solar, etc was the 'better bet'... 
That said, Good to know 'How to Do it' / have the stuff (and it's not like sand, terra-cotta pots, and water will 'go to waste, elsewhere', so, a 'Good spend', regardless..) and 'Trial and Error-Learn' by Doing it, pre-dependance on it..
.02
jd
Been there, Tried that, decided a 12V / AC RV fridge / batts / solar, etc was the 'better bet'... That said, Good to know 'How to Do it' / have the stuff (and it's not like sand, terra-cotta pots, and water will 'go to waste, elsewhere', so, a 'Good spend', regardless..) and 'Trial and Error-Learn' by Doing it, pre-dependance on it..
.02
jd
Wrapping things in a wet cloth and putting them in a cooler works too.
but you have to keep the cloth wet!
but you have to keep the cloth wet!
We are well aware of evaporative cooling living hear in southern Oregon, it can be rather wicked on occurrence, especially in late fall, if we have a rain storm during the day and the sky clears just before dark, we will usually have a freeze just before sunrise. It's never crossed my mind to use evaporative cooling for keeping foods cold other than using a spring house, I may have to do further research on this subject and do a small project for keeping foods cold without using electricity.
Does anyone know what a "swamp cooler" is?
https://www.thespruce.com/diy-swamp-cooler-7568927
https://www.thespruce.com/diy-swamp-cooler-7568927
Actually swamp coolers work great, if your climate is dry, they don't work well in humid climates because they won't evaporate the water being pumped on the materials the air flows through.
