This seems ridiculous to me. Creating a complex system to a problem that doesnt exist? Controlling buoyancy is a very basic skill necessary for safe diving so to eliminate diver responsibility seems silly if not reckless.
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No one is questioning the physics, but high pressure carbon fiber tanks, an internal bladder and a ballast water pump seems like a complicated approach to neutral buoyancy.The concept is good since using my own version to carry a bunch of lobster hoop nets with no bouyance change from top to bottom . I attached the ten hoop nets to a propane tank with a water valve to trim them perfectly neutral from top to bottom . Easy Does It
Depth/NDL restriction for tourists? Computer says you go up so you go up, no more chasing pretty fish with your last 50 bar.+ or -. With a station keeping button, might be cool.
Too much lag time plus the confounding effects of breathing for vertical "lane assist" to be practical.+ or -. With a station keeping button, might be cool.
Dial-a-depth?
It doesn't work that way. After the initial pumping of ballast water, you are neutrally buoyant, and it is depth independent. You pump some more ballast when you become light from breathing down your gas.+ or -. With a station keeping button, might be cool.