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Family: N. Country: Russia. Status: Study 1963. Article Number: 11A53.
A military variant of the N-11 which would use a powerful third stage, probably derived from the first stage of the 8K713 GR-1, to put up to 24 tonnes in low earth orbit. This was a competitor with Chelomei's UR-500K, which was selected instead for the heavy military payload mission.
SpecificationsLEO Payload: 24,000 kg. to: 300 km Orbit. at: 51.6 degrees. Liftoff Thrust: 1,082,000 kgf. Total Mass: 770,000 kg. Core Diameter: 9.8 m. Total Length: 60.0 m.
- Stage Number: 1. 1 x N-11 Block A Gross Mass: 485,000 kg. Empty Mass: 47,000 kg. Thrust (vac): 1,220,000 kgf. Isp: 330 sec. Burn time: 117 sec. Isp(sl): 293 sec. Diameter: 6.8 m. Span: 9.8 m. Length: 20.0 m. Propellants: Lox/Kerosene No Engines: 8. NK-15V
- Stage Number: 2. 1 x N-11 Block B Gross Mass: 192,000 kg. Empty Mass: 18,000 kg. Thrust (vac): 160,000 kgf. Isp: 347 sec. Burn time: 372 sec. Diameter: 4.8 m. Span: 6.8 m. Length: 12.0 m. Propellants: Lox/Kerosene No Engines: 8. NK-19
- Stage Number: 3. 1 x N-11 1963 - V Gross Mass: 70,000 kg. Empty Mass: 6,000 kg. Thrust (vac): 80,000 kgf. Isp: 347 sec. Burn time: 273 sec. Diameter: 2.7 m. Span: 2.7 m. Length: 18.0 m. Propellants: Lox/Kerosene No Engines: 4. NK-19
Bibliography:- 283 - Vetrov, G S, S. P. Korolev i evo delo, Nauka, Moscow, 1998.
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