FF-1052 Knox vs Type 21
Overview
The FF-1052 Knox and the Type 21 are both Frigate classes.
Displacement is 4,130 tons for the FF-1052 Knox vs 3,250 tons for the Type 21. The FF-1052 Knox reaches 27 knots vs 37 knots for the Type 21. Operational range is 4,500 nautical miles for the FF-1052 Knox vs 4,000 for the Type 21. The FF-1052 Knox carries a crew of 257 vs 177 for the Type 21.
The FF-1052 Knox was produced in 46 units vs 8 for the Type 21. The FF-1052 Knox was commissioned in 1969, 5 years before the Type 21 (1974).
| United States frigate, introduced in 1969, built by Todd Shipyard with a displacement of 4,130 tons. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Todd Shipyard |
| Year introduced | 1969 |
| Number built | 46 units |
| Estimated unit price | NA |
| British frigate, 3,250 tons displacement, propelled by COGOG arrangement for a top speed of 37 knots. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Yarrow Shipbuilders |
| Year introduced | 1974 |
| Number built | 8 units |
| Estimated unit price | $60 million |
| Displacement | 4,130 tons ◉ |
| Maximum speed | 27.0 knots ◉ |
| Range | 4,500 nm at 20 knots ◉ |
| Length | 134.0 m ◉ |
| Beam | 14.3 m ◉ |
| Crew | 257 ◉ |
| Propulsion | 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp |
| Armament |
|
| Displacement | 3,250 tons ◉ |
| Maximum speed | 37.0 knots ◉ |
| Range | 4,000 nm at 1200 knots ◉ |
| Length | 117.0 m ◉ |
| Beam | 12.7 m ◉ |
| Crew | 177 ◉ |
| Propulsion | COGOG on 2 shafts; 2 × Tyne cruise turbines: 8,500 shp (6,300 kW); 2 × Olympus boost turbines: 50,000 shp (37,000 kW) |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the FF-1052 Knox-class or Type 21-class?
The FF-1052 Knox-class has greater displacement at 4,130 tons compared to the Type 21-class's 3,250 tons.
Which is faster, the FF-1052 Knox-class or Type 21-class?
The Type 21-class is faster with a maximum speed of 37 knots compared to the FF-1052 Knox-class's 27 knots.
Which has longer range, the FF-1052 Knox-class or Type 21-class?
The FF-1052 Knox-class has a longer range at 4,500 nautical miles compared to the Type 21-class's 4,000 nautical miles.
Which is longer, the FF-1052 Knox-class or Type 21-class?
The FF-1052 Knox-class is longer at 134.0 meters compared to the Type 21-class's 117.0 meters.
How many crew members do the FF-1052 Knox-class and Type 21-class have?
The FF-1052 Knox-class has a larger crew complement of 257 compared to the Type 21-class's 177 crew members.
Which has been built in greater numbers, the FF-1052 Knox-class or Type 21-class?
The FF-1052 Knox-class has been built in greater numbers with 46 vessels compared to 8 vessels of the Type 21-class.