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Helsinki vs Rihtniemi

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Specifications
Helsinki Rihtniemi
Origin 🇫🇮 Finland 🇫🇮 Finland
Category Patrol vessel Patrol vessel
Type Fast attack craft Patrol boat
Manufacturer Wärtsilä Helsinki Shipyard --
Year introduced 1981 1957
Number built 4 units NA
Estimated unit price NA NA
Displacement 300 tons 110 tons
Maximum speed 32.0 knots 15.0 knots
Length 45.0 m 31.1 m
Beam 8.9 m 5.7 m
Crew 30 20
Performance Radar Chart
Armament & Systems
Helsinki Rihtniemi
Armament
  • 1 × Bofors 57 mm/70 Mk1
  • 2 × Sako twin-barreled 23 mm/87 (modified ZU-23-2)
  • 8 × Saab RBS-15 SSM
  • 2 × rails for depth charges

1 × 40 mm Bofors 1 × 20 mm Madsen 1 × Squid ASW mortar
Propulsion 3 × MTU 16V 538 TB92, 9,000 kW (combined), Three shafts 51, 52: 2 Mercedes-Benz Diesel; 1,044 kW 53, 54, 55: 2 Mercedes-Benz Diesel; 1,864 kW

Overview

The Helsinki and the Rihtniemi are both Patrol vessel classes.

The Helsinki displaces 300 tons — 2.7:1 the Rihtniemi's 110 tons. The Helsinki reaches 32 knots vs 15 knots for the Rihtniemi. The Helsinki carries a crew of 30 vs 20 for the Rihtniemi.

The Helsinki was commissioned in 1981, 24 years after the Rihtniemi (1957).

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Frequently Asked Questions

Which has greater displacement, the Helsinki-class or Rihtniemi-class?
The Helsinki-class has greater displacement at 300 tons compared to the Rihtniemi-class's 110 tons.
Which is faster, the Helsinki-class or Rihtniemi-class?
The Helsinki-class is faster with a maximum speed of 32 knots compared to the Rihtniemi-class's 15 knots.
Which is longer, the Helsinki-class or Rihtniemi-class?
The Helsinki-class is longer at 45.0 meters compared to the Rihtniemi-class's 31.1 meters.
How many crew members do the Helsinki-class and Rihtniemi-class have?
The Helsinki-class has a larger crew complement of 30 compared to the Rihtniemi-class's 20 crew members.