Permit vs Valiant / Churchill
Overview
The Permit and the Valiant / Churchill are both Submarine classes.
Displacement is 3,810 tons for the Permit vs 4,500 tons for the Valiant / Churchill. The Permit reaches 15 knots vs 20 knots for the Valiant / Churchill. Operational range is 99,999 nautical miles for the Permit vs 99,999 for the Valiant / Churchill. The Permit carries a crew of 112 vs 103 for the Valiant / Churchill. Submerged displacement is 4,369 tons for the Permit vs 5,000 tons for the Valiant / Churchill. The Permit can dive to 400 m compared to 300 m for the Valiant / Churchill.
The Permit was produced in 14 units vs 2 for the Valiant / Churchill. The Permit was commissioned in 1961, 5 years before the Valiant / Churchill (1966).
| 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 ◉ |
| Maximum speed | 15.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 84.9 m ◉ |
| Beam | 9.6 m ◉ |
| Crew | 112 ◉ |
| Max depth | 400 m ◉ |
| Propulsion | 1 S5W PWR, 2 steam turbines, 15,000 shp (11 MW), 1 shaft |
| Armament |
|
| Displacement | 4,500 tons ◉ |
| Maximum speed | 20.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 87.0 m ◉ |
| Beam | 10.1 m ◉ |
| Crew | 103 ◉ |
| Max depth | 300 m ◉ |
| Propulsion | 1 × Rolls-Royce pressurised water reactor, 2 × steam turbines, 1 shaft |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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