[PSUBS-MAILIST] onboard O2

[Brian Hughes via Personal_Submersibles]

I carry a small O2 tank (20 cubic feet) internally, connected directly to a pediatric regulator. The outflow is piped to the inlet of my scrubber (it's an axial), via the same tubing used for O2 masks, mixing the gas in the process as it's drawn through with the sub's air.

. It's how I did it with my DIY rebreathers and I feel safer being able to directly control my O2 and not have to worry about organic contaminants in any lines coming in from the outside. But that's just me AND I don't plan on spending 10 hours at max depth.

Brian


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