Voima (1952 icebreaker)
Finnish icebreaker / From Wikipedia, the free encyclopedia
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Voima is a Finnish state-owned icebreaker. Built by Wärtsilä Hietalahti shipyard in Helsinki in 1954, she was the first icebreaker in the world to be equipped with two bow propellers[5][6][7] and generated widespread publicity that helped the Finnish shipbuilding industry to become the world leader in icebreaker design.
Voima leaving Helsinki after bunkering on 5 April 2011 | |
History | |
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Finland | |
Name | Voima |
Namesake | Finnish for "strength" |
Owner | |
Port of registry | Helsinki, Finland |
Builder | Wärtsilä Hietalahti shipyard, Helsinki |
Yard number | 349 |
Laid down | 29 May 1951 |
Launched | 27 November 1952 |
Sponsored by | Sylvi Kekkonen |
Completed | 12 February 1954 |
Commissioned | 13 February 1954[2] |
Refit | 1978–1979; 2016 |
Identification | |
Status | In service |
General characteristics (as built)[3] | |
Type | Icebreaker |
Tonnage | 3,850 GRT |
Displacement | 4,415 tons |
Length | 83.5 m (273 ft 11 in) |
Beam | 19.4 m (63 ft 8 in) |
Draft | 6.4 m (21 ft 0 in) |
Depth | 9.5 m (31 ft 2 in) |
Ice class | 1A |
Installed power | 6 × Atlas Polar K58M (6 × 1,500 kW) |
Propulsion |
|
Speed | 16.5 knots (30.6 km/h; 19.0 mph) |
Crew | 58 |
General characteristics (after refit)[4] | |
Type | Icebreaker |
Tonnage | |
Displacement | 5,209 tons |
Length | 83.5 m (273 ft 11 in) |
Beam | 19.4 m (63 ft 8 in) |
Draft | 7 m (23 ft 0 in) |
Depth | 9.5 m (31 ft 2 in) |
Ice class | 1A Super |
Installed power | 6 × Wärtsilä 16V22 (6 × 2,140 kW) |
Propulsion |
|
Speed |
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Crew | 21 |
Voima was extensively refitted in 1978–1979. As of 2019[update], she is the oldest and smallest state-owned icebreaker in service in Finland. Originally, Voima was scheduled to be replaced by a new icebreaker by the winter of 2015–16. However, in 2016 it was decided to extend her operational lifetime by at least ten years with another refit.