PfcAJ
Contributor
I mean, if you're not interested in learning, then no.
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… Unbalanced piston regs wouldn't supply air at 300', because I had been told by several service techs, some even at the manufacturer level, that they wouldn't…
I'm not clear why the OP has to retrieve the SMB on the surface, and do all the yo-yoing. When I do my SMB drills, I deploy and retrieve from the same spot without moving.
Harry, Harry, Harry... you're supposed to put enough air in the thing to make it stand at attention on the surface... not lay there like a dead kipper!