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Architecture | |||||
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First Stage | ||||
Designation:
Manufacturer: Length: Diameter: Gross Mass: Structure: Propellant Mass: Propellant: Primary Propulsion: Stage Thrust: Pitch/Yaw Control: Roll Control: Nominal Burn Time: Stage Shutdown: Stage Separation: |
NPO Yuzhnoye 32.9 m 3.9 m 353,870 kg Aluminium wafer 325,401 kg LOx/Kerosene 1 x RD-171 3,468 kN (SL) Gimbal nozzles (+/-5°) Gimbal nozzles (+/-5°) 143 sec. Commanded Solid separation motors |
Propulsion System | |||
Engine Designation: Manufacturer: Type: Thrust: Throttlability: Chamber Pressure: Specific Impulse: Mixture Ratio: Restartability: Expansion Ratio: |
NPO EnergoMash Staged combustion 4 chambers/1 turbopump 3,468 kN (SL) 49%-102% 245 bar 309 sec. (SL) 2.63 No 37:1 |
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Second Stage | |||||
Designation:
Manufacturer: Length: Diameter: Gross Mass: Structure: Propellant Mass: Propellant: Primary Propulsion: Auxilliary Propulsion: Stage Thrust: Pitch/Yaw Control: Roll Control: Nominal Burn Time: Stage Shutdown: Stage Separation: |
NPO Yuzhnoye 10.4 m 3.9 m 92,473 kg Aluminium wafer 81,854 kg LOx/Kerosene 1 x RD-120 RD-8 vernier engine 912 kN + 78 kN (vac) Vernier engine Vernier engine 293 sec. Commanded Solid separation motors |
Propulsion System | |||
Engine
Designation: Manufacturer: Type: Thrust: Throttlability: Chamber Pressure: Specific Impulse: Mixture Ratio: Restartability: Expansion Ratio: |
NPO EnergoMash Staged combustion 912 kN (vac) 85%-100% 163 bar 350 sec. (vac) 2.58 No 106:1 |
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Third Stage | |||||
Designation:
Manufacturer: Length: Diameter: Gross Mass: Structure: Propellant Mass: Propellant: Primary Propulsion: Stage Thrust: Pitch/Yaw Control: Roll Control: Nominal Burn Time: Stage Shutdown: Stage Separation: |
RKK Energiya 5.6 m 3.7 m 18,600 kg Aluminium skin-stringer 14,600 kg LOx/Kerosene 11D58M 78 kN (vac) Attitude control/Ullage motors Attitude control/Ullage motors 642 sec. Commanded Spring ejection |
Propulsion System | |||
Engine
Designation: Manufacturer: Type: Thrust: Throttlability: Chamber Pressure: Specific Impulse: Mixture Ratio: Restartability: Expansion Ratio: |
RKK Energiya Staged combustion 78 kN (vac) No 77.5 bar 361.0 sec. (vac) 2.53 Up to 5 starts 189:1 |
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Avionics | |||||
Digital flight control system and inertial guidance system apparently unmodified from standard Zenit 2 launcher. |