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: |
|
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: |
Notes:
* Data from Russian intelligence sources
** Based on rocket equations derived analysis results.
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