Soyuz ST-1
R-7 aft end

Credit - © Mark Wade
Gross Mass: 105,400 kg (232,300 lb). Empty Mass: 6,875 kg (15,156 lb). Thrust (vac): 999.601 kN (224,719 lbf). Isp: 311 sec. Burn time: 286 sec. Propellants: Lox/Kerosene. Isp(sl): 245 sec. Diameter: 2.95 m (9.67 ft). Span: 2.95 m (9.67 ft). Length: 27.80 m (91.20 ft). Country: Russia. No Engines: 1. Engine: RD-118. Status: In production. First Flight: 2001. Last Flight: 2006. No Launched: 19.

Gross mass includes 2600 kg of hydrogen peroxide and 520 kg of liquid nitrogen expended during ascent but not contributing to propulsion.

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