''Evpatiy Kolovrat'' (russian: italic=yes, Евпатий Коловрат) is a Russian
icebreaker
An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships. Although the term usually refers to ice-breaking ships, it may also refer to smaller ...
built at the
Almaz Shipbuilding Company
The Almaz Shipbuilding Company (russian: Судостроительная фирма Алмаз) is a Russian manufacturing enterprise, specializing in military and commercial ship design, development and production.
Headquartered in St. Petersb ...
for the
Russian Navy. The vessel is scheduled to enter service with the
Pacific Fleet in 2023.
Development and construction
In the mid-2010s, the
Ministry of Defence of the Russian Federation
The Ministry of Defence of the Russian Federation (russian: Министерство обороны Российской Федерации, Минобороны России, informally abbreviated as МО, МО РФ or Minoboron) is the govern ...
announced that a fleet of new auxiliary icebreakers would be built for the Russian Navy as part of the ongoing fleet renewal program to replace Soviet-era vessels. However, the initial plans for the construction of four Project 21180 icebreakers was revised after the lead ship,
''Ilya Muromets'', turned out to be too expensive. As a response to this,
Vympel Design Bureau
Vympel Design Bureau (russian: КБ «Вымпел») is a Russian ship design company based in Nizhny Novgorod.
History
The company was established in 1927 as a branch of the Leningrad Maritime Shipbuilding Bureau. The company was granted t ...
developed a revised design, 21180M, with about two thirds of the displacement and more limited functionality compared to the bigger vessel.
The construction of the Project 21180M icebreaker, estimated to cost between 5 and 6 billion
rubles
The ruble (American English) or rouble (Commonwealth English) (; rus, рубль, p=rublʲ) is the currency unit of Belarus and Russia. Historically, it was the currency of the Russian Empire and of the Soviet Union.
, currencies named ''rub ...
, was awarded to the
Saint Petersburg
Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
-based
Almaz Shipbuilding Company
The Almaz Shipbuilding Company (russian: Судостроительная фирма Алмаз) is a Russian manufacturing enterprise, specializing in military and commercial ship design, development and production.
Headquartered in St. Petersb ...
in 2017
and the keel of the vessel was laid on 12 December 2018.
The hull of ''Evpatiy Kolovrat'', named after
the 13th century bogatyr described in ''
The Tale of the Destruction of Ryazan
''The Tale of the Destruction of Riazan'' (russian: Повесть о разорении Рязани Батыем) is an early Russian work about the capture of the city of Ryazan by the Mongols in 1237.
Historical background
Before the events ...
'', was launched on 24 November 2020.
In August 2022, the unfinished vessel was towed to the
Baltic Shipyard
The OJSC Baltic Shipyard (''Baltiysky Zavod'', formerly Shipyard 189 named after Grigoriy Ordzhonikidze) (russian: Балтийский завод имени С. Орджоникидзе) is one of the oldest shipyards in Russia and is part of ...
for the installation of its mast prior to sea trials in the Gulf of Finland in December. ''Evpatiy Kolovrat'' was scheduled to join the Russian Navy before the end of the year,
but remained in Saint Petersburg until January 2023 when the vessel departed for her home port in
Petropavlovsk-Kamchatsky
Petropavlovsk-Kamchatsky ( rus, Петропавловск-Камчатский, a=Петропавловск-Камчатский.ogg, p=pʲɪtrɐˈpavləfsk kɐmˈtɕatskʲɪj) is a city and the administrative, industrial, scientific, and cultur ...
.
There are plans to build a second Project 21180M icebreaker for the Northern Fleet following on ''Evpatiy Kolovrat''. Service entry is envisaged for 2027.
Design
The ''Evpatiy Kolovrat'' will be
long overall
__NOTOC__
Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, an ...
, have a
beam
Beam may refer to:
Streams of particles or energy
*Light beam, or beam of light, a directional projection of light energy
**Laser beam
*Particle beam, a stream of charged or neutral particles
**Charged particle beam, a spatially localized grou ...
of , and draw of water.
The icebreaker will be served by a crew of 28.
''Evpatiy Kolovrat'' will feature a diesel-electric power plant with three
diesel generator
A diesel generator (DG) (also known as a diesel Genset) is the combination of a diesel engine with an electric generator (often an alternator) to generate electrical energy. This is a specific case of engine generator. A diesel compression- ...
s that provide electricity for both propulsion motors and auxiliary systems.
The icebreaker will be propelled by three
stainless steel
Stainless steel is an alloy of iron that is resistant to rusting and corrosion. It contains at least 11% chromium and may contain elements such as carbon, other nonmetals and metals to obtain other desired properties. Stainless steel's corros ...
monoblock propellers,
two driven by
Steerprop azimuth thruster
An azimuth thruster is a configuration of marine propellers placed in pods that can be rotated to any horizontal angle (azimuth), making a rudder unnecessary. These give ships better maneuverability than a fixed propeller and rudder system.
Ty ...
s and the third by a fixed shaft line.
In addition, the vessel will have a
bow thruster
Manoeuvering thruster (bow thruster or stern thruster) is a transversal propulsion device built into, or mounted to, either the bow or stern, of a ship or boat to make it more manoeuvrable. Bow thrusters make docking easier, since they allow th ...
.
''Evpatiy Kolovrat'' will be classified by the
Russian Maritime Register of Shipping
The Russian Maritime Register of Shipping (RS) maintains a ship register of the Russian Federation, based in Saint Petersburg, and is a marine classification society. Its activities aim to enhance safety of navigation, safety of life at sea, se ...
with
ice class
Ice class refers to a notation assigned by a classification society or a national authority to denote the additional level of strengthening as well as other arrangements that enable a ship to navigate through sea ice. Some ice classes also have r ...
''Icebreaker6''
which requires the vessel to be capable of operating in level ice with a thickness of in a continuous motion and her hull strengthened for navigation in non-Arctic waters where ice can be up to thick.
The vessel's speed in open water will be and range .
References
{{reflist
Icebreakers of Russia