Collins vs Riachuelo
Collins vs Riachuelo at a glance — displacement 3,100 vs 1,900 tons, length 77 vs 70 m, crew 58 vs 32.
Specifications
|
Collins |
Riachuelo |
| Origin |
🇦🇺 Australia |
🇧🇷 Brazil |
| Category |
Submarine |
Submarine |
| Type |
Diesel-electric submarine |
Diesel-electric attack submarine |
| Manufacturer |
Australian Submarine Corporation |
Itaguaí Construções Navais |
| Year introduced |
1996 |
2022 |
| Number built |
6 units |
3 units |
| Estimated unit price |
$555 million |
$1,000 million |
| Displacement |
3,100 tons |
1,900 tons |
| Maximum speed |
10.0 knots |
NA |
| Range |
11,500 nm at 10 knots |
NA |
| Length |
77.4 m |
70.6 m |
| Beam |
7.8 m |
6.2 m |
| Crew |
58 |
32 |
| Max depth |
180 m |
400 m |
Armament & Systems
|
Collins |
Riachuelo |
| Armament |
- 6 x 21-inch (530 mm) bow torpedo tubes
- Mark 48 Mod 7 CBASS torpedoes
- UGM-84C Sub-Harpoon anti-ship missiles
- RWM Italia smart sea mines
|
- 6 x 533 mm torpedo tubes
- 8 x SM39 Exocet anti-ship missiles
- 18 x F21 heavy-weight torpedoes
- 30 x naval mines
|
| Propulsion |
3 × Garden Island-Hedemora HV V18b/15Ub (VB210) 18-cylinder diesel motors, 3 × Jeumont-Schneider generators (1,400 kW, 440-volt DC), 1 × Jeumont-Schneider DC motor (7,200 hp or 5,400 kW) |
4x MTU 12V 396 SE84 diesel generators, 1x Jeumont-Schneider electric motor (3,909 hp), 1 shaft |
Detailed Comparison
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Which has greater displacement, the Collins-class or Riachuelo-class?
The Collins-class has greater displacement at 3,100 tons compared to the Riachuelo-class's 1,900 tons.
Which is faster, the Collins-class or Riachuelo-class?
The Collins-class is faster with a maximum speed of 10 knots compared to the Riachuelo-class's 0 knots.
Which has longer range, the Collins-class or Riachuelo-class?
The Collins-class has a longer range at 11,500 nautical miles compared to the Riachuelo-class's 0 nautical miles.
Which is longer, the Collins-class or Riachuelo-class?
The Collins-class is longer at 77.4 meters compared to the Riachuelo-class's 70.6 meters.
How many crew members do the Collins-class and Riachuelo-class have?
The Collins-class has a larger crew complement of 58 compared to the Riachuelo-class's 32 crew members.
Which can dive deeper, the Collins-class or Riachuelo-class?
The Riachuelo-class can dive deeper with a maximum depth of 400 meters compared to the Collins-class's 180 meters.
Which is more expensive, the Collins-class or Riachuelo-class?
The Riachuelo-class is more expensive at approximately $1 billion per unit compared to the Collins-class at $555 million.
Which has been built in greater numbers, the Collins-class or Riachuelo-class?
The Collins-class has been built in greater numbers with 6 vessels compared to 3 vessels of the Riachuelo-class.