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At a glance
Oscar-class submarinelarger figure on 3 of 3
S-80 Plus-class submarinelarger figure on 0 of 3
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
maximum
Single source155 m (508 ft 6 in) maximum[source]
Length
Single sourceConfiguration
| Specification | Oscar-class submarine | S-80 Plus-class submarine |
|---|---|---|
| Power | 2 × pressurized water cooled reactors, HEU ≤ 45%[source] 2 × steam turbines delivering 73,070 kW (97,990 shp) to two shafts[source] | — |
| Thrust | — | 1 shaft Etanol-AIP 3 bio-ethanol engines (3 × 1,200 kW) MTU-16V-396SE-85L 1 electric motor (3,500 kW), 1 AIP fuel cell unit (300 kW) Vulkan couplings RATO-S G-561W. 280 kN·m[source] |
| Name | Oscar II class[source] | — |
| Builders | Sevmash[source] | Navantia[source] |
81.05 m (265 ft 11 in)[source]
Submerged · source measurement 3
Single sourceSubmerged · source measurement 4
Single sourceSurfaced · source measurement 1
Single sourceSurfaced · source measurement 2
Single source12,500/14,700 tonnes surfaced 16,500/19,400 tonnes submerged[source]
Submerged
Single source2,965 t (2,918 long tons) submerged[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single source15 knots (28 km/h; 17 mph) surfaced 32 knots (59 km/h; 37 mph) submerged[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Operators | Soviet Navy Russian Navy[source] | Spanish Navy[source] |
|---|
| Preceded by | Papa class Charlie class[source] | Galerna class[source] |
|---|
| Succeeded by | Yasen class[source] | — |
|---|
| Built | 1975–2022, may be restarted[source] | 2005–2029 (planned)[source] |
|---|
| In commission | 1980–present[source] | 2023-present[source] |
|---|
| Planned | 20 (2 949, 18 949A)[source] |
|---|
| Completed | 14 (2 949, 11 949A, 1 09852)[source] |
|---|
| Canceled | 6 (2 incomplete, 4 never laid down)[source] | — |
|---|
| Active | 6 (modernization of some boats to 949AM)[source] |
|---|
| Laid up | — |
|---|
| Lost | — |
|---|
| Retired | 5?[source] | — |
|---|
| Type | Nuclear-powered cruise missile submarine[source] | Submarine with air-independent propulsion (AIP)[source] |
|---|
| Endurance | 120 days[source] | 30-55 days in immersion[source] |
|---|
| Test depth | 600 m[source] | 460 m (1,510 ft)[source] |
|---|
| Armament | 4 × 533 mm (21.0 in) and 2 × 650 mm (26 in) torpedo tubes in bow 28 × 533 mm and 650 mm weapons, including RPK-2 Vyuga (SS-N-15 Starfish) anti-submarine missiles with 15 kt nuclear warheads and RPK-6 Vodopad/RPK-7 Veter (SS-N-16) anti-submarine missiles with 200 kt nuclear warhead or Type 40 anti-submarine torpedo or 32 ground mines 24 × P-700 Granit (SS-N-19 Shipwreck) cruise missiles with 750 kilograms (1,650 lb) HE or 6 × 100 Mt Poseidon nuclear-powered, nuclear-armed drones[source] | 6 × 533 mm (21.0 in) torpedo tubes with: Torpedoes: DM2A4 Mark 48 (option) Black Shark (option) Spearfish (option) Torped 2000 (option) Anti-ship missiles: UGM-84 Sub-Harpoon block II (option) Exocet (option) Joint Strike Missile (studies) Cruise missiles: Tomahawk (option) Cylindrical multi-influence mines MINEA smart bottom mines[source] |
|---|
| Alternative designation | Oscar II[source] | — |
|---|
| Country of origin | Soviet Union[source] | — |
|---|
| Cost | — | € 3.935 billion (2018) for 4 units € 983.75 million (2018) per unit[source] |
|---|
| Building | — |
|---|
| Notes | — | AIP reactor autonomy: 28 days[source] |
|---|
| National origin | — | Spain[source] |
|---|
12 knots (22 km/h; 14 mph) surfaced 19 knots (35 km/h; 22 mph) submerged[source]