Credit
AndriiKhmelkov · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Balao-class submarinelarger figure on 1 of 1
Gotland-class submarine
Measured figures
Length · source measurement 1
Single sourceLength · source measurement 2
Single sourceConfiguration
| Specification | Balao-class submarine | Gotland-class submarine |
|---|---|---|
| Power | 4 × diesel engines driving electrical generators ( Fairbanks-Morse or General Motors ); 2 × 126- cell Sargo batteries ; 4 × high-speed electric motors with reduction gears or 2 × low-speed electric motors ( Elliott Company or General Electric ) two shafts; 5,400 shp (4,000 kW) surfaced, 2,740 shp (2,040 kW) submerged[source] | — |
| Name | Balao class[source] | — |
| Builders | Portsmouth Naval Shipyard Cramp Shipbuilding Company Mare Island Naval Shipyard Electric Boat Company Manitowoc Shipbuilding Company[source] | Kockums[source] |
| Operators | United States Navy Italian Navy Turkish Navy Hellenic Navy Peruvian Navy Argentine Navy Chilean Navy Bolivarian Navy of Venezuela Republic of China Navy Royal Canadian Navy Brazilian Navy Royal Netherlands Navy Spanish Navy[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
311 ft 6 in–311 ft 10 in (94.9–95.0 m)[source]
Length
Single source60.4 m (198 ft 2 in)[source]
1,526 tons ( ) surfaced, 2,391–2,424 tons (
Single source) submerged
Single source1,526 tons (1,550 t ) surfaced, 2,391–2,424 tons (2,429–2463 t) submerged[source]
Submerged
Single sourceSurfaced
Single sourceMaximum; Surfaced
Single sourceMaximum; Submerged
Single source20.25 knots (38 km/h) surfaced, 8.75 knots (16 km/h) submerged[source]
Maximum; Surfaced
Single sourceMaximum; on AIP
Single sourcesurfaced @ 10 knots (19 km/h)
Single source11,000 nautical miles (20,000 km) surfaced @ 10 knots (19 km/h)[source]
@ 2 knots (3.7 km/h) submerged, 75 days on patrol
Single source48 hours @ 2 knots (3.7 km/h) submerged, 75 days on patrol[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Swedish Navy[source] |
| Preceded by | Gato class[source] | Västergötland class[source] |
|---|
| Succeeded by | Tench class[source] | Blekinge class[source] |
|---|
| Built | 1942–1946[source] | 1992–1996[source] |
|---|
| In commission | 1943–present[source] | 1996–present[source] |
|---|
| Completed | 120[source] |
|---|
| Canceled | 62[source] | — |
|---|
| Active |
|---|
| Lost | 14 (11 in United States service, 3 in foreign service)[source] | — |
|---|
| Retired | 105[source] | — |
|---|
| Preserved | — |
|---|
| Type | Diesel-electric submarine[source] | Submarine[source] |
|---|
| Test depth | 400 ft (120 m)[source] | — |
|---|
| Armament | 10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft 24 torpedoes 1 × 5-inch (127 mm) / 25 caliber deck gun Bofors 40 mm and Oerlikon 20 mm cannon[source] | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] |
|---|
| Country of origin | United States[source] | Sweden[source] |
|---|
| Planned | — |
|---|
| 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] |
|---|
Surfaced: 1,494 tonnes (1,470 long tons) Submerged: 1,599 tonnes (1,574 long tons)[source]
Maximum; 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]