UR-500-2
Stage · Russia
Original archive entry. The text, images and links below are kept as they were written.
N2O4/UDMH propellant rocket stage. Proton UR-500 second stage. Flew only on two-stage version of Proton. Empty mass is correct; all other values estimated based on UR-500 Stage 2 original design and UR-500K stage 2 figures.
No Engines: 4.