>Take nuclear shaped charge concept
>Put it instead of rocket motor like project orion
>10x the max speed of a chemical rocket
>Put a nuclear shaped charge as warhead like Project Prometheus,
>Test done accelerated a 1kg tungsten rod to 7kms
>Put them all togheter using the energy of a tsar bomba

>>64030175 (OP)
You can make that work for a hardened space probe but the acceleration would kill meatsacks. Project Orion bombs were tiny by comparison and pushed on a large hydraulic plate behind the ship to provide a survival g-force

this nigga used the subject field

>>64030175 (OP)
For me it's the Iowa Class Battleship with 16 inch nuclear shells