Sisu (1938 icebreaker)
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Sisu was a Finnish state-owned icebreaker. Built in 1939 at Wärtsilä Hietalahti Shipyard in Helsinki, she was one of the world's first diesel-electric icebreakers. In addition to icebreaking duties, s
Icebreaker Sisu 001
Sisu together with two Finnish submarines
Tarmo (1907 icebreaker)
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Tarmo is a Finnish steam-powered icebreaker preserved in the Maritime Museum of Finland in Kotka. Built in 1907 by Sir W.G. Armstrong, Whitworth & Co Ltd in Newcastle upon Tyne, United Kingdom, she wa
Sisu (1938 icebreaker)
…of 5.1 metres (17 ft), her displacement was 2,075 tonnes. The only icebreakers in the state-owned fleet with greater displacement were the 2,400-ton Tarmo and the 4,800-ton Jääkarhu. Inside, the hull was divided into eight watertight compartments protected by a continuous double bottom. The ice belt…
Finnish icebreaker Tarmo at the Kotka Maritime Museum in 2006
Tarmo at Armstrong Whitworth shipyard before launching.
Finnish state-owned icebreakers Tarmo and Jääkarhu
Tarmo in camouflage in 1939.