"Arktika" sails out from the Baltiskiy Yard in St. Petersburg. Photo: Rosatomflot

World’s largest nuclear icebreaker starts sea trials

Painted in the Russia’s flag’s tricolor, the new «Arktika» sailed out to the Gulf of Finland on Thursday for a two-days test voyage.
December 12, 2019

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During sea trials, the icebreaker will tests its ballast system, navigation equipment, anchors, electric installations as well as maneuvering characteristics, Rosatomflot, informs.

«Arktika» is the lead vessel in the new class of powerful nuclear-powered icebreakers of which five will be built.

The 173 meters long and 34 meters wide Project 22220 (LK60Ya) class is the largest and most powerful icebreakers in the world, providing 60 MW to the shafts. The two RITM-200 reactors on board has a thermal power-capacity of 175 MW each.

Head of Russia’s Northern Sea Route directorate, Vyacheslav Ruksha, said to Kommersant on Wednesday that the first sea trials will happen without the reactors running.  

«We didn’t have time to complete the launch [of the reactors]….. This first part will be with backup generators,» Ruksha said, but declined to comment on which problems are the reason for the delayed start-up of the icebreaker’s main power source, the reactors.

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Vyasheslav Ruksha. Photo: Thomas Nilsen

 

«The universal nuclear icebreaker of Project 22220 are equipped wit the most advanced electric propulsion systems,» says Atomflot Director Mustafa Kashka in a news-update posted on the stats owned company’s portal.

A second, and longer, test voyage is planned for March-April before the icebreaker will sail around Scandinavia later this year to its homeport in Murmansk on Russia’s Barents Sea coast.

The main waters of operation will be from the Kara Sea and further east along the Northern Sea Route. 

The two other icebreakers of the class that are under construction at the yard in St. Petersburg, the «Ural» and «Sibir» are expected to be commissioned in 2021 and 2022. Contracts for icebreaker No. 4 and 5 in the class are signed, but construction has not yet started.

The new «Arktika» icebreaker is named after the former which was sailing from 1975 to 2008. On August 17th, 1977, the old «Arktika» became the first surface vessel to reach the North Pole.

The former nuclear-powered icebreaker “Arktika”. Photo: Thomas Nilsen

 

You can read more about the new generation of nuclear-powered icebreakers and other maritime, seabed and onshore reactors that will come to the Russian Arctic from now and until 2035 in this scenario-report published by the Barents Observer (pdf)

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