Project 678 / Project 1851
Nelma class / X-Ray class
| Specifications | |
|---|---|
| Designer: | |
| Builder: | United Admiralty Shipyard 196 |
| Displacement (tons): |
550 tons surfaced 1,000 submerged, or 1,000 tons surfaced 1,450 submerged |
| Speed (kts): | ?? knots |
| Operational Depth: | +3,000 feet |
| Length | 40 meters [or 63 meters] |
| Beam | 5.3 meters |
| Draft | 5 meters |
| Propulsion: | 1 pressurised water nuclear reactor 10 Mwt Steam turbines ?,000 shp |
| Crew: | |
| Armament: | none |
| Sonar: | HF active arrays |
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