Seawolf vs Sierra
The Seawolf and the Sierra are both Submarine classes. Displacement is 8,600 tons for the Seawolf vs 7,200 tons for the Sierra. The Seawolf reaches 18 knots vs 10 knots for the Sierra. Operational range is 99,999 nautical miles for the Seawolf vs 99,999 for the Sierra. The Seawolf carries a crew of 140 vs 61 for the Sierra. Submerged displacement is 9,138 tons for the Seawolf vs 8,300 tons for the Sierra. The Sierra can dive to 600 m compared to 490 m for the Seawolf. The Seawolf was produced in 3 units vs 4 for the Sierra. The Seawolf was commissioned in 1997, 13 years after the Sierra (1984).
| American nuclear attack submarine, entered service in 1997, uses a pump-jet propeller. | |
|
|
| Origin | 🇺🇸 United States |
| Category | Submarine |
| Type | Nuclear attack submarine |
| Manufacturer | General Dynamics Electric Boat |
| Year introduced | 1997 |
| Number built | 3 units |
| Estimated unit price | $3,000 million |
| Displacement | 8,600 tons â—‰ |
| Maximum speed | 18.0 knots â—‰ |
| Range | Unlimited â—‰ |
| Length | 108.0 m â—‰ |
| Beam | 12.0 m â—‰ |
| Crew | 140 â—‰ |
| Max depth | 490 m â—‰ |
| Propulsion | 1 S6W PWR 220 MW (300,000 hp), 1 secondary propulsion submerged motor, 2 steam turbines 57,000 shp (43 MW), 1 shaft, 1 pump-jet propeller |
| Armament |
|
| Displacement | 7,200 tons â—‰ |
| Maximum speed | 10.0 knots â—‰ |
| Range | Unlimited â—‰ |
| Length | 107.2 m â—‰ |
| Beam | 12.3 m â—‰ |
| Crew | 61 â—‰ |
| Max depth | 600 m â—‰ |
| Propulsion | 1 × PWR, 190 MW (HEU <= 45%), 2 × 1,002 hp (747 kW) emergency motors, 1 shaft, 2 spinners |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Seawolf-class or Sierra-class?
The Seawolf-class has greater displacement at 8,600 tons compared to the Sierra-class's 7,200 tons.
Which is faster, the Seawolf-class or Sierra-class?
The Seawolf-class is faster with a maximum speed of 18 knots compared to the Sierra-class's 10 knots.
Which has longer range, the Seawolf-class or Sierra-class?
Both the Seawolf-class and Sierra-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Seawolf-class or Sierra-class?
The Seawolf-class is longer at 108.0 meters compared to the Sierra-class's 107.2 meters.
How many crew members do the Seawolf-class and Sierra-class have?
The Seawolf-class has a larger crew complement of 140 compared to the Sierra-class's 61 crew members.
Which can dive deeper, the Seawolf-class or Sierra-class?
The Sierra-class can dive deeper with a maximum depth of 600 meters compared to the Seawolf-class's 490 meters.
Which has been built in greater numbers, the Seawolf-class or Sierra-class?
The Sierra-class has been built in greater numbers with 4 vessels compared to 3 vessels of the Seawolf-class.