UR-500 Stage 3

Gross Mass: 23,940 kg (52,770 lb). Empty Mass: 2,180 kg (4,800 lb). Thrust (vac): 613.110 kN (137,833 lbf). Isp: 320 sec. Burn time: 110 sec. Propellants: N2O4/UDMH. Diameter: 4.10 m (13.40 ft). Span: 4.10 m (13.40 ft). Length: 3.70 m (12.10 ft). Country: USSR. No Engines: 1. Engine: RD-0212. Status: Design 1962.

Original Proton third stage design.

Used on Launch Vehicles:

Monoblock UR-500.

Polyblock UR-500.

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