UR-200-1

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Model: UR-200-1. Gross Mass: 107,500 kg (236,900 lb). Empty Mass: 6,600 kg (14,500 lb). Thrust (vac): 2,235.000 kN (502,447 lbf). Isp: 311 sec. Burn time: 135 sec. Propellants: N2O4/UDMH. Isp(sl): 278 sec. Diameter: 3.00 m (9.80 ft). Span: 3.00 m (9.80 ft). Length: 20.00 m (65.00 ft). Country: Russia. No Engines: 1. Motor: RD-0202. Status: Design 1962. First Flight: 1961. Last Flight: 1961. No Launched: 4. Other designations: 8K81 Stage 1.

Tsniimash has 1:10 structural simulation model. Developed 1960-1965. Orevo has sectioned hardware. All data accurate except empty mass prorated between first and second stages.

Used on Launch Vehicles:

Proton.

UR-200.

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