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Hamilton vs Rihtniemi

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Specifications
Hamilton Rihtniemi
Origin 🇺🇸 United States 🇫🇮 Finland
Category Patrol vessel Patrol vessel
Type High endurance cutter Patrol boat
Manufacturer Avondale Shipyards --
Year introduced 1967 1957
Number built 12 units NA
Estimated unit price NA NA
Displacement 3,250 tons 110 tons
Maximum speed 29.0 knots 15.0 knots
Range 12,500 nm at 12 knots NA
Length 115.0 m 31.1 m
Beam 13.0 m 5.7 m
Crew 167 20
Performance Radar Chart
Armament & Systems
Hamilton Rihtniemi
Armament
  • 1 × OTO Melara Mark 75 76 mm/62 caliber naval gun
  • 2 × 25 mm Mk38
  • 1 × MK 15 Block 1 20 mm Phalanx CIWS
  • 6 × .50 caliber machine guns
  • 5"/38 naval gun (original)
  • 2 × 81 mm mortars (original)
  • 2 × MK 10 Hedgehogs (original)
  • 2 × MK 32 torpedo tube systems (original)
  • Harpoon anti-ship missiles (fitted to some)

1 × 40 mm Bofors 1 × 20 mm Madsen 1 × Squid ASW mortar
Propulsion CODOG system: 2 × Fairbanks-Morse 38TD8-1/8-12 12-cylinder diesel engines (7,000 hp) and 2 × Pratt & Whittney FT4A-6 gas turbines (36,000 hp) 51, 52: 2 Mercedes-Benz Diesel; 1,044 kW 53, 54, 55: 2 Mercedes-Benz Diesel; 1,864 kW

Overview

The Hamilton and the Rihtniemi are both Patrol vessel classes.

The Hamilton displaces 3,250 tons — 30:1 the Rihtniemi's 110 tons. The Hamilton reaches 29 knots vs 15 knots for the Rihtniemi. The Hamilton carries a crew of 167 vs 20 for the Rihtniemi.

The Hamilton was commissioned in 1967, 10 years after the Rihtniemi (1957).

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Frequently Asked Questions

Which has greater displacement, the Hamilton-class or Rihtniemi-class?
The Hamilton-class has greater displacement at 3,250 tons compared to the Rihtniemi-class's 110 tons.
Which is faster, the Hamilton-class or Rihtniemi-class?
The Hamilton-class is faster with a maximum speed of 29 knots compared to the Rihtniemi-class's 15 knots.
Which has longer range, the Hamilton-class or Rihtniemi-class?
The Hamilton-class has a longer range at 12,500 nautical miles compared to the Rihtniemi-class's 0 nautical miles.
Which is longer, the Hamilton-class or Rihtniemi-class?
The Hamilton-class is longer at 115.0 meters compared to the Rihtniemi-class's 31.1 meters.
How many crew members do the Hamilton-class and Rihtniemi-class have?
The Hamilton-class has a larger crew complement of 167 compared to the Rihtniemi-class's 20 crew members.