Length 49.5 m Max Diameter 17 m Raptor Engines 3 Sea-Level - 361s Isp 6 Vacuum - 382s Isp Vacuum Thrust 31 MN Propellant Mass Ship: 1,950 t Tanker: 2,500 t Dry Mass Ship: 150 t Tanker: 90 t Cargo/Prop to LEO Ship: 300 t Tanker: 380 t Cargo to Mars 450 t (with transfer on orbit) Long term goal of 100+ passengers/ship