Permit vs Valiant / Churchill
| United States nuclear submarine, introduced in 1961, displaced 3,810 tons. | |
| Origin | 🇺🇸 United States |
| Category | Submarine |
| Type | Nuclear submarine |
| Manufacturer | Portsmouth Naval Shipyard |
| Year introduced | 1961 |
| Number built | 14 units |
| Estimated unit price | NA |
| British nuclear submarine, 4,500 tons displacement, propelled by a Rolls-Royce pressurised water reactor. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Submarine |
| Type | Nuclear submarine |
| Manufacturer | Vickers Armstrong |
| Year introduced | 1966 |
| Number built | 2 units |
| Estimated unit price | NA |
| Displacement | 3,810 tons â—‰ |
| Maximum speed | 15.0 knots â—‰ |
| Range | 99,999 nm â—‰ |
| Length | 84.9 m â—‰ |
| Beam | 9.6 m â—‰ |
| Crew | 112 â—‰ |
| Max depth | 400 m â—‰ |
| Propulsion | 1 S5W PWR, 2 steam turbines, 15,000 shp (11 MW), 1 shaft |
| Armament |
|
| Displacement | 4,500 tons â—‰ |
| Maximum speed | 20.0 knots â—‰ |
| Range | 99,999 nm â—‰ |
| Length | 87.0 m â—‰ |
| Beam | 10.1 m â—‰ |
| Crew | 103 â—‰ |
| Max depth | 300 m â—‰ |
| Propulsion | 1 × Rolls-Royce pressurised water reactor, 2 × steam turbines, 1 shaft |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Permit-class or Valiant / Churchill-class?
The Valiant / Churchill-class has greater displacement at 4,500 tons compared to the Permit-class's 3,810 tons.
Which is faster, the Permit-class or Valiant / Churchill-class?
The Valiant / Churchill-class is faster with a maximum speed of 20 knots compared to the Permit-class's 15 knots.
Which has longer range, the Permit-class or Valiant / Churchill-class?
Both the Permit-class and Valiant / Churchill-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Permit-class or Valiant / Churchill-class?
The Valiant / Churchill-class is longer at 87.0 meters compared to the Permit-class's 84.9 meters.
How many crew members do the Permit-class and Valiant / Churchill-class have?
The Permit-class has a larger crew complement of 112 compared to the Valiant / Churchill-class's 103 crew members.
Which can dive deeper, the Permit-class or Valiant / Churchill-class?
The Permit-class can dive deeper with a maximum depth of 400 meters compared to the Valiant / Churchill-class's 300 meters.
Which has been built in greater numbers, the Permit-class or Valiant / Churchill-class?
The Permit-class has been built in greater numbers with 14 vessels compared to 2 vessels of the Valiant / Churchill-class.