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Project 10510, also known through the Russian type size series designations LK-110Ya and LK-120Ya or the project name Leader (Russian: Лидер, romanized: Lider), is a planned series of Russian nuclear-powered icebreakers. Designed in the 2010s, when built in the 2020s, it would supersede Project 22220 icebreakers as the largest and most powerful icebreakers in the world.
As of 2024, the lead ship of the series is under construction and expected to be commissioned by 2030, three years after the original planned delivery in 2027. Initially there were plans to build two additional sister ships by 2033, but in February 2023 it was reported that only one Project 10510 ship would be built before 2035.
Project 10510 icebreakers are 209 metres (686 ft) long and have a beam of 47.7 metres (156 ft). They draw 13 metres (43 ft) of water and have a displacement of about 69,700 tonnes (68,600 long tons).
In 2015, students from the Saint Petersburg Art and Industry Academy collaborated with Central Design Bureau "Iceberg" to develop futuristic visions on what the next-generation nuclear-powered icebreaker could look like. While these sleek yacht-like design studies have been sometimes incorrectly thought to represent the actual Project 10510 icebreaker design, the actual design is a departure from the more angular previous nuclear icebreakers
Stats
Type: Icebreaker
Displacement :69,700 tonnes (68,600 long tons)
Length: 209 m (686 ft)
Beam: 47.7 m (156 ft)
Draft:13 m (43 ft)
Depth: 20.3 m (67 ft)
Installed power:
Two RITM-400 nuclear reactors (2 × 315 MWt)
Four turbogenerators (4 × 37 MWe)
Propulsion:
Nuclear-turbo-electric
Four shafts (4 × 30 MW)
Speed: 24 knots (44 km/h; 28 mph)
Endurance :8 months
Crew: 127
wooden hemlock
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