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Iwo Jima vs Ropucha

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Specifications
Iwo Jima Ropucha
Origin 🇺🇸 United States 🇷🇺 Ex-USSR
Category Amphibious vessel Amphibious vessel
Type Amphibious assault ship Landing ship
Manufacturer Puget Sound Naval Shipyard Stocznia Północna Shipyard
Year introduced 1961 1974
Number built 7 units 28 units
Estimated unit price NA NA
Displacement 18,474 tons 4,080 tons
Maximum speed 22.0 knots 18.0 knots
Range 11,000 nm 6,100 nm at 15 knots
Length 180.0 m 112.5 m
Beam 26.0 m 15.0 m
Crew 667 98
Performance Radar Chart
Armament & Systems
Iwo Jima Ropucha
Armament
  • 2 × 2 3-inch (76 mm) / 50-caliber DP guns
  • 8 cell Sea Sparrow BPDMS launchers
  • 2 × Phalanx CIWS
  • 2 × 57 mm AK-725 double guns (Ropucha I)
  • 1 × 76 mm AK-176 (Ropucha II)
  • 2 × 30 122 mm rocket launcher A-215 Grad-M
  • Strela 2 (SA-N-5) surface-to-air missile system (4 launchers)
  • 2 × 30 mm AK-630 six-barreled gatling guns (Ropucha II)
Propulsion 2 × 600 psi (4.1 MPa) boilers, one geared steam turbine, one shaft, 22,000 shaft horsepower (16 MW) 2 × 9,600 hp (7,200 kW) Zgoda-Sulzer 16ZVB40/48 diesel engines

Overview

The Iwo Jima and the Ropucha are both Amphibious vessel classes.

The Iwo Jima displaces 18,474 tons — 4.5x the Ropucha's 4,080 tons. The Iwo Jima reaches 22 knots vs 18 knots for the Ropucha. Operational range is 11,000 nautical miles for the Iwo Jima vs 6,100 for the Ropucha. The Iwo Jima carries a crew of 667 vs 98 for the Ropucha.

The Iwo Jima was produced in 7 units vs 28 for the Ropucha. The Iwo Jima was commissioned in 1961, 13 years before the Ropucha (1974).

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Frequently Asked Questions

Which has greater displacement, the Iwo Jima-class or Ropucha-class?
The Iwo Jima-class has greater displacement at 18,474 tons compared to the Ropucha-class's 4,080 tons.
Which is faster, the Iwo Jima-class or Ropucha-class?
The Iwo Jima-class is faster with a maximum speed of 22 knots compared to the Ropucha-class's 18 knots.
Which has longer range, the Iwo Jima-class or Ropucha-class?
The Iwo Jima-class has a longer range at 11,000 nautical miles compared to the Ropucha-class's 6,100 nautical miles.
Which is longer, the Iwo Jima-class or Ropucha-class?
The Iwo Jima-class is longer at 180.0 meters compared to the Ropucha-class's 112.5 meters.
How many crew members do the Iwo Jima-class and Ropucha-class have?
The Iwo Jima-class has a larger crew complement of 667 compared to the Ropucha-class's 98 crew members.
Which has been built in greater numbers, the Iwo Jima-class or Ropucha-class?
The Ropucha-class has been built in greater numbers with 28 vessels compared to 7 vessels of the Iwo Jima-class.