FORCETALLY
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At a glance
Gotland-class submarinelarger figure on 0 of 2
Sauro-class submarinelarger figure on 2 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source60.4 m (198 ft 2 in)[source]
I and II Batches
Single sourceConfiguration
| Specification | Gotland-class submarine | Sauro-class submarine |
|---|---|---|
| Power | — | 3 x shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 MW) I, II and III Batches: : 1 electric engine Magneti Marelli (2.686 kW) IV Batch: : 1 electric engine ABB[source] |
| Builders | Kockums[source] | Italcantieri Monfalcone shipyard[source] |
| Operators | Swedish Navy[source] | Italian Navy[source] |
| Preceded by | Västergötland class[source] | Toti class , Tang class , Tench class[source] |
III Batch
Single sourceIV Batch
Single sourceI and II Batches: 63.85 m III Batch: 64.36 m IV Batch: 66.00 m[source]
Submerged
Single sourceSurfaced
Single sourceSurfaced: 1,494 tonnes (1,470 long tons) Submerged: 1,599 tonnes (1,574 long tons)[source]
I and II Batches: 1,456 tons surfaced 1,641 tons submerged III Batch: 1,476 tons surfaced 1,662 tons submerged IV Batch: 1,653 tons surfaced 1,862 tons submerged[source]
Maximum; Surfaced
Single sourceMaximum; on AIP
Single sourceMaximum; Submerged on batteries
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; Surfaced
Single sourceMaximum; Submerged
Single sourceto 12 knots (22 km/h; 14 mph)
Single source2,500 nmi (4,600 km; 2,900 mi) to 12 knots (22 km/h; 14 mph)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by | Blekinge class[source] | Todaro class[source] |
|---|
| Built | 1992–1996[source] | — |
|---|
| In commission | 1996–present[source] | 1979[source] |
|---|
| Planned | — |
|---|
| Completed |
|---|
| Active |
|---|
| Type | Submarine[source] | 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] | I and II Batches: 1 x radar SMA SPS-704 1 x sonar Elsag-USEA IPD70/S Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes communication system by ELMER III and IV Batches , after update 1999/2005: 1 x radar SMA MM/BPS 704-V2 1 x sonar STN Atlas Elektronik – ISUS 90-20 Combat System STN Atlas Elektronik – ISUS 90-20 periscopes Kollmorgen communication system IRSC, by Hagenuk Marinekommunikation[source] |
|---|
| Armament | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] | I and II Batches: : 6 x 533 mm torpedo tubes 12 torpedoes Whitehead A-184 or 24 mines carried III and IV Batches: : 6 x 533 mm torpedo tubes 12 torpedoes Whitehead A-184 Mod.3 or 24 mines carried[source] |
|---|
| Country of origin | Sweden[source] | Italy[source] |
|---|
| Name | — | Sauro class[source] |
|---|
| In service | — | 1980[source] |
|---|
| Retired | — |
|---|
| Preserved | — |
|---|
| Test depth | — | 300 m[source] |
|---|
| Electronic warfare & decoys | — | I and II Batches: ESM systems Elettronica Spa, Thetis ELT/124-s and MM-BLD/1 III and IV Batches , after update 1999/2005: ESM systems Elettronica Spa, BLD-727[source] |
|---|
12 knots (22 km/h; 14 mph) surfaced 19 knots (35 km/h; 22 mph) submerged[source]