Ultimate Nuclear Salt Water Rocket 7.6% of Light Speed
by Brian Wang from NextBigFuture.com on (#6VYEH)
Robert Zubrin's Nuclear Salt Water Rocket (NSWR) design is a rocket that uses known physics and engineering . There are versions that could reach 7-8% of light speed. The use of low grade uranium enrichment for a more near term version is the one that is often described. However, if weapons grade uranium (90% enrichment) ...