As nuclear is already used on aircraft carriers, and with a major cargo ship not having a large crew including guests so it can be properly scrutinized and managed by engineers, why hasn’t this technology ever carried over for commercial operators?
Similarly for hydrogen, why (or are?) ship builders not trying to build hydrogen powered engines? Seeing the massive size of engines (and fuel) they have, could they make super-sized fuel cells and on-board synthesizing to no longer be reliant on gas?
In: Engineering
Nuclear ships are not permitted in any harbor or port due to emission concerns. The navies that have nuclear ships just go round trips to the hope port or a friendly one that allows them in. There might be a list of ports of harbors or ports where they can shore up, but as far as I am aware this is the reason.
While it is/was good for rockets due to it’s power/density, hydrogen is pain in the ass to make because the best way to make is breaking apart methane.
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