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leo-leo
searching PlanetScale…
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3 ms
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by
leo-leo
5y ago
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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by
leo-leo
6y ago
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 cells albeit without any autonomous capability. https:/