Molniya 8K78M-3
Block L rocket stage
Block L Molniya 8K78M
Credit - © Mark Wade
Gross Mass: 6,660 kg (14,680 lb). Empty Mass: 1,160 kg (2,550 lb). Thrust (vac): 66.600 kN (14,972 lbf). Isp: 340 sec. Burn time: 250 sec. Propellants: Lox/Kerosene. Diameter: 2.40 m (7.80 ft). Span: 2.56 m (8.39 ft). Length: 3.20 m (10.40 ft). Country: Russia. No Engines: 1. Engine: S1.5400A. First Flight: 1964. Last Flight: 2006. No Launched: 294. No Failed: 18.

700 kg BOZ ullage motors and stabilisation platform jettisoned prior to main stage burn.

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