UR-700-4

UR-700-4

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Model: UR-700-4. Gross Mass: 33,500 kg (73,800 lb). Empty Mass: 1,900 kg (4,100 lb). Thrust (vac): 131.400 kN (29,540 lbf). Isp: 326 sec. Burn time: 760 sec. Propellants: N2O4/UDMH. Diameter: 2.70 m (8.80 ft). Span: 2.70 m (8.80 ft). Length: 6.20 m (20.30 ft). Country: Russia. No Engines: 1. Motor: 11D423. Status: Development ended 1968.

Estimated empty mass. Three used to propell LK-700 spacecraft towards moon.

Used on Launch Vehicles:

UR-700.

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