
ASubmarines
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ASubmarines

At a glance
Measured figures
Length
Single source60.5 m (198 ft 6 in)[source]
Length · source measurement 1
Single sourceConfiguration
| Specification | Archer-class submarine | Balao-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] |
| Builders | Kockums[source] | Portsmouth Naval Shipyard Cramp Shipbuilding Company Mare Island Naval Shipyard Electric Boat Company Manitowoc Shipbuilding Company[source] |
| Operators | Republic of Singapore Navy[source] | 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] |
| Preceded by | Challenger class |
Length · source measurement 2
Single source311 ft 6 in–311 ft 10 in (94.9–95.0 m)[source]
Submerged
Single sourceSurfaced
Single sourceSurfaced: 1,400 t (1,400 long tons; 1,500 short tons) Submerged: 1,500 t (1,500 long tons; 1,700 short tons)[source]
1,526 tons ( ) surfaced, 2,391–2,424 tons (
Single source) submerged
Single sourceMaximum; Submerged
Single sourceMaximum; Surfaced
Single sourceSurfaced: 8 kn (15 km/h; 9.2 mph) Submerged: 15 kn (28 km/h; 17 mph)[source]
Maximum; Submerged
Single sourceMaximum; Surfaced
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.
Gato class[source] |
| Succeeded by | Invincible class[source] | Tench class[source] |
|---|
| Completed | 120[source] |
|---|
| Active |
|---|
| Propulsion | 2 × Hedemora diesel-electric engines 2 × Kockums v4-275R Sterling AIP units[source] | — |
|---|
| Sensors & processing systems | FAS[source] | — |
|---|
| Armament | 6 × 533 mm (21 in) torpedo tubes for TP-617 heavy-weight torpedoes and Blackshark torpedoes 3 × 400 mm (16 in) torpedo tubes[source] | 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] |
|---|
| Country of origin | Sweden[source] | United States[source] |
|---|
| Name | — | Balao class[source] |
|---|
| Built | — | 1942–1946[source] |
|---|
| In commission | — | 1943–present[source] |
|---|
| Canceled | — | 62[source] |
|---|
| Lost | — | 14 (11 in United States service, 3 in foreign service)[source] |
|---|
| Retired | — | 105[source] |
|---|
| Preserved | — |
|---|
| Type | — | Diesel-electric submarine[source] |
|---|
| Test depth | — | 400 ft (120 m)[source] |
|---|
1,526 tons (1,550 t ) surfaced, 2,391–2,424 tons (2,429–2463 t) submerged[source]
20.25 knots (38 km/h) surfaced, 8.75 knots (16 km/h) submerged[source]