SS-NX-13 [KY-9] R-27K, 4K18 SLBM
| SS-NX-13 Specifications | |
|---|---|
| U.S. Number | Serb SS-N-6(m) |
| NATO Name | SS-NX-13 |
| Service Designation | R-27K* |
| GURVO Index | 4K18* |
| Treaty Pseudonym | RSM-25 |
| System | D-5* |
| Design Bureau | Makayev* |
| Engine OKB | Isayev OKB* |
| Engine Designation | Isayev OKB 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 (kg) | ~13,877 - 13,900.** |
| Stage Mass (kg) | ~13,227 - 13,250.** |
| Dry Weight (kg) | 1,050** |
| Guidance | Inertial |
| Engines (Closed Cycle) | Isayev 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* |
| g's acceleration launch | ~1.94** |
| Burn Time (sec.) | 122* |
|
Isp SL Vac. |
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 |
| Impact Velocity (m/sec) | ~4,235* |
| Impact Velocity (m/sec) | 300 @ 50 degrees* |
Notes:
SL - Sea Level, Vac. Vacuum
* All based on known Russian data
** Based on rocket equations derived analysis results.
1. Unsymmetrical Dimethylhydrazine
2. Inhibited Red Fuming Nitric acid
By (c) Charles P. Vick, 2004, ALL RIGHTS RESERVED
Senior Fellow Space Policy, Globalsecurity.org
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