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A centrifugal spin on a 500-year-old air compressor design (newatlas.com)
32 points by joshwa 2077 days ago
2 comments

It looks like nice, and 70 dB is very low noise for something compressing air.

I am perplexed by the symbols in the video:

https://www.youtube.com/watch?v=nr3qhBmbvs0

Water is H2O alright, but air was not O2 last time I checked.

That would be some dangerous air.
A wonderful archaic technology that is also an useful thing-to-know in post-apocalyptic settings.
Although a an apocalypse were access to compressed air sounds more like a lull than a collapse