The Enzmann Starship: History & Engineering ... - Icarus Interstellar

Astronomy Magazine “Slow Boat to Centauri” (1977) Article claims 0.1c design but 0.3c designmay be possible. 12 million tonnes fuel. The ‘snowball’ was to give added benefitof radiation protection for main vessel. The outer layers were comprised of bulkmaterial to serve as radiation shielding forthe inner decks. Bulk was main nuclear reactor, variousstore rooms, heat exchangers, airlocks,landing craft storage, observation areasand communications equipment. Carried several smaller craft.3