Foxtrot vs Valiant / Churchill

Overview

The Foxtrot and the Valiant / Churchill are both Submarine classes.

The Valiant / Churchill displaces 4,500 tons — 2.3x the Foxtrot's 1,983 tons. The Foxtrot reaches 16 knots vs 20 knots for the Valiant / Churchill. Operational range is 20,000 nautical miles for the Foxtrot vs 99,999 for the Valiant / Churchill. The Foxtrot carries a crew of 78 vs 103 for the Valiant / Churchill. Submerged displacement is 2,515 tons for the Foxtrot vs 5,000 tons for the Valiant / Churchill. The Valiant / Churchill can dive to 300 m compared to 296 m for the Foxtrot.

The Foxtrot was produced in 75 units vs 2 for the Valiant / Churchill. The Foxtrot was commissioned in 1958, 8 years before the Valiant / Churchill (1966).

Ex-USSR submarine, 1958 introduction year, propelled by three diesel engines and three electric motors.
Origin 🇨🇳 Ex-USSR
Category Submarine
Type Diesel-electric patrol submarines
Manufacturer Sudomekh
Year introduced 1958
Number built 75 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 1,983 tons
Maximum speed 16.0 knots
Range 20,000 nm at 8 knots
Length 89.9 m
Beam 7.4 m
Crew 78
Max depth 296 m
Propulsion 3 × Kolomna 2D42M 2,000 hp (1,500 kW) diesel engines; 3 × Electric motors (two 1,350 hp and one 2,700 hp); 1 × 180 hp auxiliary motor; 3 shafts
Armament
  • 10 x torpedo tubes (6 bow, 4 stern)
  • 22 torpedoes
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
  • 6 × 21 in (533 mm) bow torpedo tubes
  • 32 × Mark VIII and Tigerfish torpedoes
  • 64 × Mk.5 and Mk.6 mines
  • 26 × torpedoes
  • 6 × UGM-84B Harpoon Anti-ship missiles
  • Stonefish and Sea Urchin mines

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Foxtrot-class or Valiant / Churchill-class?
The Valiant / Churchill-class has greater displacement at 4,500 tons compared to the Foxtrot-class's 1,983 tons.
Which is faster, the Foxtrot-class or Valiant / Churchill-class?
The Valiant / Churchill-class is faster with a maximum speed of 20 knots compared to the Foxtrot-class's 16 knots.
Which has longer range, the Foxtrot-class or Valiant / Churchill-class?
The Valiant / Churchill-class is nuclear-powered with unlimited range, while the Foxtrot-class has a range of 20,000 nautical miles.
Which is longer, the Foxtrot-class or Valiant / Churchill-class?
The Foxtrot-class is longer at 89.9 meters compared to the Valiant / Churchill-class's 87.0 meters.
How many crew members do the Foxtrot-class and Valiant / Churchill-class have?
The Valiant / Churchill-class has a larger crew complement of 103 compared to the Foxtrot-class's 78 crew members.
Which can dive deeper, the Foxtrot-class or Valiant / Churchill-class?
The Valiant / Churchill-class can dive deeper with a maximum depth of 300 meters compared to the Foxtrot-class's 296 meters.
Which has been built in greater numbers, the Foxtrot-class or Valiant / Churchill-class?
The Foxtrot-class has been built in greater numbers with 75 vessels compared to 2 vessels of the Valiant / Churchill-class.