FB-1-2 N2O4/UDMH propellant rocket stage. . |
CZ-2C/SD-2 N2O4/UDMH propellant rocket stage. Stretched version of CZ-2C second stage. Empty mass estimated. |
CZ-2C-2 N2O4/UDMH propellant rocket stage. . |
CZ-2E-2 N2O4/UDMH propellant rocket stage. . |
CZ-3-2 N2O4/UDMH propellant rocket stage. . |
CZ-3A-2 N2O4/UDMH propellant rocket stage. . |
CZ-4A-2 N2O4/UDMH propellant rocket stage. . |
CZ-4B-2 N2O4/UDMH rocket stage. 742.00 kN (166,808 lbf) thrust. Mass 39,600 kg (87,303 lb). |