UR-500 Stage 2
Gross Mass: 137,700 kg (303,500 lb). Empty Mass: 16,000 kg (35,000 lb). Thrust (vac): 3,183.200 kN (715,612 lbf). Isp: 320 sec. Burn time: 119 sec. Propellants: N2O4/UDMH. Diameter: 4.10 m (13.40 ft). Span: 4.10 m (13.40 ft). Length: 10.90 m (35.70 ft). Country: USSR. No Engines: 4. Engine: RD-0213. Status: Design 1962.

Original Proton second stage design.


Used on Launch Vehicles:  
 
 
 
 
 
 
 
 

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