Hydra vs Petya
The Hydra and the Petya are both Frigate classes. The Hydra displaces 4,000 tons — 3.5x the Petya's 1,150 tons. The Hydra reaches 31 knots vs 30 knots for the Petya. Operational range is 4,100 nautical miles for the Hydra vs 4,870 for the Petya. The Hydra carries a crew of 173 vs 90 for the Petya. The Hydra was produced in 4 units vs 54 for the Petya. The Hydra was commissioned in 1992, 27 years after the Petya (1965).
| Displacement | 4,000 tons ◉ |
| Maximum speed | 31.0 knots ◉ |
| Range | 4,100 nm at 18 knots ◉ |
| Length | 117.5 m ◉ |
| Beam | 14.8 m ◉ |
| Crew | 173 ◉ |
| Propulsion | 2 shaft CODOG, controllable pitch propellers, 2 General Electric LM2500 gas turbines 60,656 hp (45,231 kW), 2 MTU 20V 956 diesel engines, 10,040 hp (7,490 kW) |
| Armament |
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| Displacement | 1,150 tons ◉ |
| Maximum speed | 30.0 knots ◉ |
| Range | 4,870 nm at 450 knots ◉ |
| Length | 81.8 m ◉ |
| Beam | 9.2 m ◉ |
| Crew | 90 ◉ |
| Propulsion | 2 shaft CODAG: 2 gas turbines - 30,000 hp (22,000 kW), 1 diesel - 6,000 hp (4,500 kW) |
| Armament |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Hydra-class or Petya-class?
The Hydra-class has greater displacement at 4,000 tons compared to the Petya-class's 1,150 tons.
Which is faster, the Hydra-class or Petya-class?
The Hydra-class is faster with a maximum speed of 31 knots compared to the Petya-class's 30 knots.
Which has longer range, the Hydra-class or Petya-class?
The Petya-class has a longer range at 4,870 nautical miles compared to the Hydra-class's 4,100 nautical miles.
Which is longer, the Hydra-class or Petya-class?
The Hydra-class is longer at 117.5 meters compared to the Petya-class's 81.8 meters.
How many crew members do the Hydra-class and Petya-class have?
The Hydra-class has a larger crew complement of 173 compared to the Petya-class's 90 crew members.
Which has been built in greater numbers, the Hydra-class or Petya-class?
The Petya-class has been built in greater numbers with 54 vessels compared to 4 vessels of the Hydra-class.