Project Daedalus - Specifications

Specifications

• Overall length: 190 metres
• Propellant mass first stage: 46,000 tonnes
• Propellant mass second stage: 4,000 tonnes
• First stage empty mass at staging: 1,690 tonnes
• Second stage mass at cruise speed: 980 tonnes
• Engine burn time first stage: 2.05 years
• Engine burn time second stage: 1.76 years
• Thrust first stage: 7,540,000 newtons
• Thrust second stage: 663,000 newtons
• Engine exhaust velocity: 10,600,000 m/s & 9,210,000 m/s
• Payload mass: 450 tonnes