Credit
Mass Communication Specialist 1st Class Michael R. McCormick · Public domain · Public domain · Source ↗
FORCETALLY
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At a glance
Collins-class submarinelarger figure on 3 of 3
Gotland-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
Submerged
Single sourceSurfaced
Single source3,100 tonnes (3,100 long tons) (surfaced) 3,407 tonnes (3,353 long tons) (submerged)[source]
Submerged
Single sourceSurfaced
Single sourceMaximum; Submerged
Single sourceMaximum; surfaced and periscope depth
Single source10 knots (19 km/h; 12 mph) surfaced and periscope depth 20 kn (37 km/h; 23 mph) submerged[source]
Maximum; on AIP
Single sourceMaximum; Submerged on batteries
Single sourceat 10 kn (19 km/h; 12 mph) periscope
Single sourceat 10 knots (19 km/h; 12 mph) surfaced
Single sourceat 4 kn (7.4 km/h; 4.6 mph) submerged
Single source11,500 nautical miles (21,300 km; 13,200 mi) at 10 knots (19 km/h; 12 mph) surfaced 9,000 nmi (17,000 km; 10,000 mi) at 10 kn (19 km/h; 12 mph) periscope 480 nmi (890 km; 550 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged[source]
3 × Garden Island-Hedemora HV V18b/15Ub (VB210) 18-cylinder diesel motors, 3 × Jeumont-Schneider generators ( 440-volt DC
Single source3 × Garden Island-Hedemora HV V18b/15Ub (VB210) 18-cylinder diesel motors, 3 × Jeumont-Schneider generators (1,400 kW, 440-volt DC)[source]
Main: 1 × Jeumont-Schneider DC motor (7,200 hp or 5,400 kW), driving 1 × seven-bladed, 4.22 m (13.8 ft) diameter skewback propeller Emergency: 1 × MacTaggart Scott DM 43006 retractable hydraulic motor[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Collins-class submarine | Gotland-class submarine |
|---|---|---|
| Builders | Australian Submarine Corporation Kockums Civmec[source] | Kockums[source] |
| Operators | Royal Australian Navy[source] | Swedish Navy[source] |
| Preceded by | Oberon class[source] | Västergötland class[source] |
| Succeeded by | Attack class (cancelled) Virginia class and SSN-AUKUS (planned)[source] | Blekinge class[source] |
| Cost | A$ 5.1 billion (1999) for 6 units A$ 850 million (1999) per unit[source] | — |
| Built | 14 February 1990–18 March 2003[source] | 1992–1996[source] |
| In commission | 27 July 1996–present[source] | 1996–present[source] |
| Completed | ||
| Active | ||
| Type | Diesel-electric submarine[source] | Submarine[source] |
| Endurance | 70 days[source] | — |
| Test depth | Over 180 m (590 ft) – actual depth classified[source] | — |
| Sensors & processing systems | Sonar: Thomson Sintra Scylla bow and distributed sonar arrays Thales SHORT-TAS towed sonar array Thales intercept array Radar: Kelvin Hughes Type 1007 surface search radar Periscopes: Thales CK043 search periscope Thales CH093 attack periscope Combat system: Modified Raytheon CCS Mk2 (AN/BYG-1)[source] | CSU 90-2 integrated sonar sensor suite[source] |
| Electronic warfare & decoys | Condor CS-5600 ESM 2 × SSE decoys[source] | — |
| Armament | 6 × 21-inch (530 mm) bow torpedo tubes Payload: 22 torpedoes, mix of: Mark 48 Mod 7 CBASS torpedoes UGM-84 C Sub-Harpoon anti-ship missiles Or: RWM Italia smart sea mines[source] | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] |
| National origin | Australia[source] | — |
| Country of origin | Australia[source] | Sweden[source] |
| Planned | — | |
| Propulsion | — | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] |
Surfaced: 1,494 tonnes (1,470 long tons) Submerged: 1,599 tonnes (1,574 long tons)[source]
Maximum; 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]