Neil Gerace wrote:

So what we have is a heavier-than-the-medium fluidcraft, right? We've been
doing that for 100 years with air, don't see why water should be any harder




One would like to assume that it has some sort of dropable emergency
ballast in case the power fails....that being said, I wouldn't get on
this thing in any way, shape, or form. :-)

Pat