667BDRM Dolphin DELTA IV
| Specifications | |
|---|---|
| Soviet Designation | 667BDRM Dolphin |
| US-Designation | Delta IV |
| Development began | September 1975 |
| Design Bureau | Central Design Bureau for Marine Engineering "Rubin" |
| Chief designer | S.H. Kovalev |
| Builders | Nr. 402 Severodvinsk |
| Construction and Outfit | February 1981-1992 |
| Service time | December 1985- |
| Number of ships | 7 |
| Armament | D-9 RM launch system with 16 R-29 RM missiles |
| 4-533mm torpedo tubes | |
| Power Plant | 2 pressurized water reactors, 90 MW each 2 steam turbines, 20.000 hp each |
| Propellers | 2 × 7 blade fixed-pitch |
| Length | 167 meters / 543 feet |
| Beam | 12 meters |
| Draft | 8.8 meters |
| Displacement | 11,740 tons Surfaced 18,200 tons Submerged |
| Operational depth | 320 meters (design) 400 meters (maximum depth) |
| Speed | 13-14 knots Surface 22-24 knots Submerged |
| Crew | 130 men |
| Endurance | 80 days |
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