Quote Originally Posted by Nessus View Post
Teller's brainchild, atomic bombs.
As big a fan I am of Project Orion, that's a shit ton of mass for all the bombs needed for 12 years of near continuous nuclear explosions, which increases the energy needed further. Probably not feasible, and definitely not a fun ride. I don't think a top speed of anything more than .1c is remotely reasonable, and even .1c is a damn hard target to hit.