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Weapons of Mass Destruction (WMD)




R-27 / SS-N-6 SERB & SS-NX-13

SERB SS-N-6, (R-27) RSM-25, 4K10
Specifications
U. S. Number SS-N-6
NATO Name Serb
Service Designation R-27*
GURVO Index 4K10*
Treaty Pseudonym RSM-25
System D-5*
Design Bureau Makayev* SKB-385
Engine OKB Isayev (KBKhM)*
Engine Designation 4D10*
Type MRBM
Range (km) 2,400-2,500*
CEP (km) 1.9
Diameter (m) 1.5*
Height (m) 9.65*
Height without warhead (m) 7.86
Launch Weight 14,200*
Stage Mass (kg) 13,550**
Dry Weight (kg) 1,350.21**
Guidance Inertial
Engines (Closed Cycle) Isayev OKB 4D10*
Thrust (kg-f)
Main Chamber
Verniers
Total

23,000*
3,000*
26,000*
Thrust Vac. 27,533 - 28,672**
Thrust Chambers (main) 1*
Steering Vernier
Thrust Chambers
2*
Stages 1*
gee's acceleration launch 1.8**
Burn Time (sec.) 128.5*
Isp.
Sea Level
Vacuum

274 (273.85) **
290 (290.21) **
Propellants hypergolic storable
Fuel UDMH (1) *
Oxidizer IRFNA (2) *
Propellant Mass (kg) 12,200 (12,199.79) **
Propellant Flow Rate (kg/sec) 95 (94.77) **
Warhead design Mass (kg) 650 *
Warhead number 1*
HE Warhead yield (MT) 1*
Warhead length (m) 1.79
Burnout Velocity (m/sec) 4,400 @38.5 degrees*
Impact Velocity (m/sec) 300 @ 50 degrees*
Launching Technique Underwater "wet start"
Firing conditions:
  • Sea state - Up to 5
  • Submarine Speed, kn - 4 (at 40 to 50m depth)
  • SERB SS-N-6m R-27K, 4K18, SS-NX-13

    Specifications
    U. S. Number SS-N-6 (m) SS-NX-13
    NATO Name Serb
    Service Designation R-27K*
    GURVO Index 4K18*
    Treaty Pseudonym RSM-25
    System D-5*
    Design Bureau Makayev* SKB-385
    Engine OKB Isayev (KBKhM)*
    Engine Designation 4D10 modified*
    Type IRBM
    Range (km) 2,500-3,000*
    CEP (km) 1.3-1.8
    Diameter (m) 1.5*
    Height (m) 9.65*
    Height without warhead (m) 7.86
    Launch Weight ~13,877 - 13,900*
    Stage Mass (kg) ~13,227 - 13,250**
    Dry Weight (kg) 1,050.**
    Guidance Inertial
    Engines (Closed Cycle) Isayev OKB modified*
    Thrust (kg-f)
    Main Chamber
    Verniers
    Total

    23,850*
    3,000*
    26,850*
    Thrust Vac. 29,600**
    Thrust Chambers (main) 1*
    Steering Vernier
    Thrust Chambers
    2*
    Stages 1*
    gee’s acceleration launch ~1.94**
    Burn Time (sec.) 122*
    Isp.
    Sea Level
    Vacuum

    269 *
    296 *
    Propellants hypergolic storable
    Fuel  UDMH (1) *
    Oxidizer IRFNA (2) *
    Propellant Mass (kg) 12,200 - 12,199.79 (12,177. +23.)**
    Propellant Flow Rate (kg/sec) 100 (99.82) **
    Warhead design Mass (kg)  650 *
    Warhead number 1-3*
    HE Warhead yield (MT) 1 (0.6 - 1.2)*
    Warhead length (m) 1.79
    Burnout Velocity (m/sec) ~4,235*
    Impact Velocity (m/sec) 300 @ 50 degrees*
    Launching Technique Underwater "wet start"
    Firing conditions:
  • Sea state - Up to 5
  • Submarine Speed, kn - 4 (at 40 to 50m depth)
  • Notes:
    * Data from Russian intelligence sources
    ** Based on rocket equations derived analysis results.




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