Another possible propulsion method: Build a giant Gauss cannon [0]. Using electricity though would add another energy transformation step reducing overall effic

Another possible propulsion method: Build a giant Gauss cannon [0]. Using electricity though would add another energy transformation step reducing overall efficiency. Water steam would be directly produced off the nuclear reactors heat. [0]: https://en.wikipedia.org/wiki/Coilgun https://en.wikipedia.org/wiki/Coilgun