Viewing profile — leo-leo
leo-leo
HN member- Joined
- Tue, Dec 29, 2020, 8:13 PM UTC
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About leo-leo
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comment
Comment #29043918
I was under the impression helium mixtures are only used for deeper dives, and thus seen more often in occupational diving rather then recreational.
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comment
Comment #25574649
I dont find it that unbelievable, there are a number of youtube videos of hobbyist grade quadcopters with what I believe are larger motors running 20-30 minutes on a pair of 18650 …