Via: Scientific American:
Russia’s dream to dominate the Arctic will soon get a boost with a nuclear-powered icebreaker designed to navigate both shallow rivers and the freezing depths of the Northern Sea. Last month Rosatomflot, Russia’s atomic fleet, inked a deal to begin construction of a massive new vessel 170 meters long and 34 meters wide. That is 14 meters longer and four meters wider than any of Russia’s other nuclear vessels.
Powered by two “RITM-200” compact pressurized water reactors generating 60MWe, the new model is designed to blast through ice more than 4 meters thick and tow tankers of up to 70,000 tons displacement through Arctic ice fields. Rosatomflot says the vessel would have liquid ballasts allowing it to alter its draught (the depth of the loaded vessel in the water) between 8.5 to 10.8 meters, allowing it to access both Siberian rivers that reach deep into Russia as well as the Northern Sea.
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