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Hämeenmaa vs Sandown

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Specifications
Hämeenmaa Sandown
Origin 🇫🇮 Finland 🇬🇧 United Kingdom
Category Mine warfare Mine warfare
Type Coastal minelayer Minehunter
Manufacturer Finnyards Vosper Thornycroft
Year introduced 1992 1989
Number built 2 units 15 units
Estimated unit price NA NA
Displacement 1,450 tons 600 tons
Maximum speed 20.0 knots 13.0 knots
Length 77.8 m 52.5 m
Beam 11.6 m 10.9 m
Crew 60 34
Performance Radar Chart
Armament & Systems
Hämeenmaa Sandown
Armament
  • 1 × Bofors 57 mm/70 Mk1
  • 8-cell Denel Umkhonto-IR VLS SAM system
  • 2 × 12.7 mm machine gun
  • 2 × H&K GMG grenade machinegun
  • 2 × RBU-1200 depth charge rocket launcher
  • 2 × rails for depth charges
  • 4 × rails for 100-150 mines
  • 1 × DS30B Mk 1 30 mm gun
  • 3 × Browning .50 caliber heavy machine guns
  • 2 × General purpose machine guns
  • SeaFox mine disposal system
  • Diver-placed explosive charges
Propulsion 2 × Wärtsilä Vasa 16V22 (2,600 kW each), Two shafts; KaMeWa controllable pitch propellers Paxman Valenta 6RP200E diesels, 1,523 shp (1,136 kW); Diesel-electric drive; Combimac electric motors 100kW; Voith Schneider Propellers; Schottel bow thrusters

Overview

The Hämeenmaa and the Sandown are both Mine warfare classes.

The Hämeenmaa displaces 1,450 tons — 2.4x the Sandown's 600 tons. The Hämeenmaa reaches 20 knots vs 13 knots for the Sandown. The Hämeenmaa carries a crew of 60 vs 34 for the Sandown.

The Hämeenmaa was produced in 2 units vs 15 for the Sandown. The Hämeenmaa was commissioned in 1992, 3 years after the Sandown (1989).

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Frequently Asked Questions

Which has greater displacement, the Hämeenmaa-class or Sandown-class?
The Hämeenmaa-class has greater displacement at 1,450 tons compared to the Sandown-class's 600 tons.
Which is faster, the Hämeenmaa-class or Sandown-class?
The Hämeenmaa-class is faster with a maximum speed of 20 knots compared to the Sandown-class's 13 knots.
Which is longer, the Hämeenmaa-class or Sandown-class?
The Hämeenmaa-class is longer at 77.8 meters compared to the Sandown-class's 52.5 meters.
How many crew members do the Hämeenmaa-class and Sandown-class have?
The Hämeenmaa-class has a larger crew complement of 60 compared to the Sandown-class's 34 crew members.
Which has been built in greater numbers, the Hämeenmaa-class or Sandown-class?
The Sandown-class has been built in greater numbers with 15 vessels compared to 2 vessels of the Hämeenmaa-class.