A centrifugal spin on a 500-year-old air compressor design (newatlas.com) 32 points by joshwa 5y ago ↗ HN
[–] jaclaz 5y ago ↗ 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=nr3qhBmbvs0Water is H2O alright, but air was not O2 last time I checked. [–] djmips 5y ago ↗ That would be some dangerous air.
[–] egberts1 5y ago ↗ A wonderful archaic technology that is also an useful thing-to-know in post-apocalyptic settings. [–] zeristor 5y ago ↗ Although a an apocalypse were access to compressed air sounds more like a lull than a collapse
[–] zeristor 5y ago ↗ Although a an apocalypse were access to compressed air sounds more like a lull than a collapse
4 comments
[ 5.7 ms ] story [ 30.5 ms ] threadI 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.