Delta IV vs Foxtrot
Overview
The Delta IV and the Foxtrot are both Submarine classes.
The Delta IV displaces 7,800 tons — 3.9x the Foxtrot's 1,983 tons. The Delta IV reaches 12 knots vs 16 knots for the Foxtrot. Operational range is 99,999 nautical miles for the Delta IV vs 20,000 for the Foxtrot. The Delta IV carries a crew of 120 vs 78 for the Foxtrot. Submerged displacement is 10,000 tons for the Delta IV vs 2,515 tons for the Foxtrot. The Delta IV can dive to 400 m compared to 296 m for the Foxtrot.
The Delta IV was produced in 18 units vs 75 for the Foxtrot. The Delta IV was commissioned in 1972, 14 years after the Foxtrot (1958).
| Displacement | 7,800 tons ◉ |
| Maximum speed | 12.0 knots ◉ |
| Range | Unlimited ◉ |
| Length | 139.0 m ◉ |
| Beam | 12.0 m ◉ |
| Crew | 120 ◉ |
| Max depth | 400 m ◉ |
| Propulsion | 2 pressurized water-cooled reactors powering 2 steam turbines driving 2 shafts and each developing 38.7 MW (51,900 shp) |
| Armament |
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| 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 |
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Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Delta IV-class or Foxtrot-class?
The Delta IV-class has greater displacement at 7,800 tons compared to the Foxtrot-class's 1,983 tons.
Which is faster, the Delta IV-class or Foxtrot-class?
The Foxtrot-class is faster with a maximum speed of 16 knots compared to the Delta IV-class's 12 knots.
Which has longer range, the Delta IV-class or Foxtrot-class?
The Delta IV-class is nuclear-powered with unlimited range, while the Foxtrot-class has a range of 20,000 nautical miles.
Which is longer, the Delta IV-class or Foxtrot-class?
The Delta IV-class is longer at 139.0 meters compared to the Foxtrot-class's 89.9 meters.
How many crew members do the Delta IV-class and Foxtrot-class have?
The Delta IV-class has a larger crew complement of 120 compared to the Foxtrot-class's 78 crew members.
Which can dive deeper, the Delta IV-class or Foxtrot-class?
The Delta IV-class can dive deeper with a maximum depth of 400 meters compared to the Foxtrot-class's 296 meters.
Which has been built in greater numbers, the Delta IV-class or Foxtrot-class?
The Foxtrot-class has been built in greater numbers with 75 vessels compared to 18 vessels of the Delta IV-class.