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Espora vs Sigma

Espora vs Sigma at a glance — displacement 1,790 vs 1,692 tons, length 91 vs 90 m, speed 27 vs 28 knots, crew 100 vs 80.

Specifications
Espora Sigma
Origin 🇦🇷 Argentina 🇳🇱 Netherlands
Category Corvette Frigate
Type Corvette Multi-purpose corvette / frigate
Manufacturer AFNE "Río Santiago" Damen Schelde Naval Shipbuilding
Year introduced 1985 2007
Number built 6 units 10 units
Estimated unit price NA $222 million
Displacement 1,790 tons 1,692 tons
Maximum speed 27.0 knots 28.0 knots
Range 4,000 nm at 18 knots 4,800 nm at 14 knots
Length 91.2 m 90.7 m
Beam 11.0 m 13.0 m
Crew 100 80
Performance Radar Chart
Armament & Systems
Espora Sigma
Armament
  • 4 × MM38 Exocet anti-ship missiles
  • 1 × 76 mm/62 OTO Melara dual purpose gun
  • 2 × DARDO twin 40 mm AA guns
  • 2 × .50 cal machine guns
  • 2 × triple 324 mm ILAS-3 tubes (WASS A-244S torpedoes)
  • 1 × Oto Melara 76 mm gun
  • 2 × 20 mm Denel GI-2 gun
  • 2 × quad (8) Mistral TETRAL Anti-air missile
  • 4 × Exocet MM40 Block II/MM40 Block III anti-surface missile
  • 2 × B515/3 triple launchers for lightweight WASS A244-S mod.3 / EuroTorp MU 90 torpedoes
Propulsion 2 SEMT Pielstick 16 PC 2–5 V400 diesels, 22,600 bhp (16.9 MW), 2 × 5-blade props 2 × SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling; 4 × Caterpillar 3406C TA generator rated at 350 kW each; 1 × Caterpillar 3304B emergency generator rated at 105 kW; 2 × shaft with Rolls-Royce Kamewa 5 bladed controllable pitch propeller
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Largest operators · in service
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Espora-class or Sigma-class?
The Espora-class has greater displacement at 1,790 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Espora-class or Sigma-class?
The Sigma-class is faster with a maximum speed of 28 knots compared to the Espora-class's 27 knots.
Which has longer range, the Espora-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Espora-class's 4,000 nautical miles.
Which is longer, the Espora-class or Sigma-class?
The Espora-class is longer at 91.2 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Espora-class and Sigma-class have?
The Espora-class has a larger crew complement of 100 compared to the Sigma-class's 80 crew members.
Which has been built in greater numbers, the Espora-class or Sigma-class?
The Sigma-class has been built in greater numbers with 10 vessels compared to 6 vessels of the Espora-class.