FORCETALLY
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At a glance
Measured figures
Length
Single source60.4 m (198 ft 2 in)[source]
Diesel-electric
Single sourceConfiguration
| Specification | Gotland-class submarine | Riachuelo-class submarine |
|---|---|---|
| Power | — | Diesel-electric: 4 × MTU 12V 396 SE84 diesels 1,500 hp (1,119 kW) each 1 × Jeumont-Schneider EPM Magtronic electric 3,909 hp (2,915 kW) 1 × Shaft Exide Hagen batteries Nuclear: 1 × Pressurized water reactor, 48 MW (64,000 hp), LEU 20% 1 × Nuclear turbo-electric engine 1 × Shaft[source] |
| Builders | Kockums[source] | ICN[source] |
| Operators | Swedish Navy[source] | Brazilian Navy[source] |
| Preceded by | Västergötland class[source] | Tupi class |
Nuclear
Single sourceDiesel-electric: 70.62 m (231 ft 8 in) Nuclear: 100 m (328 ft 1 in)[source]
Submerged
Single sourceSurfaced
Single sourceSurfaced: 1,494 tonnes (1,470 long tons) Submerged: 1,599 tonnes (1,574 long tons)[source]
Diesel-electric
Single sourceNuclear
Single sourceMaximum; on AIP
Single sourceMaximum; Submerged on batteries
Single sourceMaximum; Surfaced
Single sourceSurfaced: 11 knots (20 km/h) Submerged: 20 knots (37 km/h) on batteries; 5 knots (9.3 km/h) on AIP[source]
Maximum; Diesel-electric
Single sourceMaximum; Nuclear
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by | Blekinge class[source] | — |
|---|
| Built | 1992–1996[source] | 2010–present[source] |
|---|
| In commission | 1996–present[source] | 2022–present[source] |
|---|
| Planned | 5 (1 nuclear)[source] |
|---|
| Completed |
|---|
| Active |
|---|
| Type | Submarine[source] | Attack submarine[source] |
|---|
| Propulsion | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] | — |
|---|
| Sensors & processing systems | CSU 90-2 integrated sonar sensor suite[source] | Naval Group SUBTICS combat management system Thales TSM 2233 Eledone hull and flank array passive sonar Thales Safare/S-Cube hull active sonar Safran Series 20 target identification and classification system[source] |
|---|
| Armament | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] | 6 × 533 mm (21 in) torpedo tubes : 8 × SM39 Exocet anti-ship missiles 18 × F21 heavy-weight torpedoes 30 × naval mines[source] |
|---|
| Country of origin | Sweden[source] | — |
|---|
| Name | — | Riachuelo class[source] |
|---|
| Cost | — | US$ 1 billion per unit (diesel-electric) US$ 3.8 billion per unit (nuclear)[source] |
|---|
| Building | — |
|---|
| Test depth | — | 400 m (1,300 ft)[source] |
|---|
| Electronic warfare & decoys | — | Thales DR 3000/ITT AR 900 electronic support measures Naval Group Contralto-S decoy launchers CANTO anti-torpedo countermeasures[source] |
|---|
| Notes | — | Sources:[source] |
|---|
| National origin | — | Brazil[source] |
|---|
Diesel-electric: 1,900 t (1,900 long tons ) Nuclear: 6,000 t (5,900 long tons)[source]
Diesel-electric: 21 knots (39 km/h; 24 mph) Nuclear: 25 knots (46 km/h; 29 mph)[source]