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Sure, but unlike PV "The construction of the ISAAC Solar Icemaker involves only welding, piping and sheet metal work, and there are no expensive materials." So
by Aaargh20318 4y ago
Sure, but unlike PV "The construction of the ISAAC Solar Icemaker involves only welding, piping and sheet metal work, and there are no expensive materials."
So this can be produced and maintained/repaired with much simpler tools, that makes it much more feasible to use in remote area's or developing countries.
- calvinmorrison 4y agoOr more so that mechanical refrigeration (as opposed to river ice extraction and shipping) may be a small scale technology that could exist past supply chain collapse
- KennyBlanken 4y agoNo expensive materials but it costs $7,000
- ncmncm 4y agoMostly labor, no doubt. $7000/12 is $583, so not cheaper than a regular refrigerator, but it uses no fuel or electricity, which for a dozen refrigerators would run over $4000/yr.
- pfdietz 4y agoAnd it uses concentrating collectors. That involves moving parts there, to track the sun. Are they assuming the tracking system is manufactured locally, or were they assuming manual tracking? Talk about labor intensive.
- pfdietz 4y agoAlternately, observe that PV is going to be like window glass -- a product for which transport costs become very important, so it will be made in facilities close to where it is used. The 3rd world should have PV factories.