Saturn IB (1966-1975)
First Flight: February 26, 1966
Last Flight: July 15, 1975
Stages: 2
Total Mass: 590 tons without payload
Payload Mass: 21,000 kg to LEO
Diameter: 6.61 m without payload
Length: 43.2 m without payload
First Stage
Type: S-IB Core
Arrangement: 8 x H-1
Thrust (kN): 7,100
Propellant: RP-1/LOX
ISP: 272 s
ISP (sea level):
Burn Time: 150 s
Gross Mass: ?
Propellant Mass: 399.4 tons
Second Stage
Type: S-IVB-200 Core
Arrangement: 1 x Rocketdyne J-2
Thrust (kN): 890
Propellant: LH2/LOX
ISP: 420 s
ISP (sea level):
Burn Time: 480 s
Gross Mass: ?
Propellant Mass: 103.6 tons