(October 19, 2017 at 8:29 am)Anomalocaris Wrote:(October 19, 2017 at 8:11 am)Gawdzilla Sama Wrote: You get the concept wrong. The displacement is the hull, not things inside it. The tanks weigh one figure empty and another full, but they don't a change the volume of the submarine by going from one to the other.
What you describe is not a concept. It is a convention.
What I described there is the core content of the Navy's professional learning course on ships' buoyancy and stability. I propose that the USN knows more about the topic than you do.
