@Dan and I had a short email conversation regarding the Avelo system after he told me he saw it at DEMA
When the water is pumped in to adjust buoyancy, I assume the gas pressure increases, from 4350 psi? See, "How does the Hydrotank work?" on the web page in the
@drrich2 post, above.
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I wonder how you tell how much gas you have if the pressure changes with buoyancy adjustment. Doesn't seem like a traditional SPG or AI computer would necessarily work. Seems like nonlinear compression could also be quite significant at the high pressures.
Do operations in the US offer 300 Bar, 4350 psi fills?
I wonder where Avelo is located.
Whatever, if Avelo ends up having dealers in the US (seems like SE FL might be a good site), I would probably look into the cost of their Rec training program, a couple of hours online and 2 dives, just to give it a try.