A nuclear salt-water rocket[3] made using weapons-grade uranium should easily have a delta-V of 1.5% lightspeed and an acceleration above 10G; it would be great

A nuclear salt-water rocket[3] made using weapons-grade uranium should easily have a delta-V of 1.5% lightspeed and an acceleration above 10G; it would be great for exploring the Kuiper belt and/or performing another Grand Tour on a human timescale. [3] https://www.projectrho.com/public_html/rocket/enginelist2.php#id--Nuclear_Thermal--Gas_Core--Open_Cycle--Nuclear_Salt_Water https://www.projectrho.com/public_html/rocket/enginelist2.ph...