A new modern propulsion will equip Russian Project 23900 amphibious assault ships

According to information published by the Russian press agency on November 2, 2020, a Russia Defense Ministry delegation participated in a meeting at Vega experimental plant of Zvyozdochka Shipyard to discuss new modern propulsion that will equip warships under construction including project 23900 amphibious assault ships and medium tankers of project 23130.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001A computer-generated image of Project 23900 of Russian amphibious assault ship. (Picture source JSC Zelenodolsk Design Bureau)

The meeting was attended by USC CEO Alexey Rakhmanov, Russian Industry and Trade Deputy Minister Oleg Ryazantsev, and representatives of Kolomna Plant, Zelenodolsk and Severnoe Design Bureaus, and Vint Company.

It focused on propulsion for universal amphibious assault ships of project 23900 and medium tankers of project 23130. The propulsion center of Zvyozdochka unites the design potential of Vint and Zvyozdochka can replace imports and design prospective low-noise adjustable pitch propellers and pullout and folding steerable propellers.

Meeting participants visited production and test facilities to see various propulsion units of the enterprise.

Vega experimental plant is located in Borovsk in Kaluga region. It was created in 1946 as a production facility of Vint for the latest design of propulsion systems. In 2007, Vega plant merged with Zvyozdochka. It produces waterjets, azimuth and steering propulsion, as well as controls for unmanned underwater craft, and axial boosters of air-cushioned ships.

The Project 23900 is the newest class of Russian amphibious assault ships (LHDs) intended as a replacement for the French Mistral-class, two of which were ordered by Russia in 2011. In May 2020, it was reported by Navy Recognition The Russian Ministry of Defense signed a contract with the Kerch shipyard Zaliv for the construction of the first two Russian universal landing ships (UDC) for a total amount of about 100 billion rubles.

As TASS sources in the shipbuilding industry reported earlier, the displacement of ships of a new class for the Russian fleet will be 25 thousand tons, with a maximum length of about 220 meters. One Russian UDC will carry more than 20 heavy helicopters on board, will receive a docking chamber for landing boats and will be able to transport up to 900 marines.

The Project 23130 is a series of medium-size replenishment oilers developed by the Spetssudoproect JSC and built by Nevsky Shipyard for the Russian Navy. The ship is a medium-sized sea tanker with a strengthened steel double-hull of the Arc 4 class, for operations in the Arctic conditions. It can operate in temperatures from +45 ºС in summer to -30 ºС in winter. 

The Project 23130  ship is approximately 130 m (430 ft) long, 22 m (72 ft) wide, and has a maximum draught of 7 m (23 ft). She could transport for example 3,000 tons of fuel oil, 2,500 tons of diesel fuel, 500 tons of jet fuel, 150 tons of lubricating oil, 1,000 tons of fresh water or additionally 100 tons of dry cargo such as food and spare parts to a distance of 8,000 mi (13,000 km) at a top speed of 16 kn (30 km/h; 18 mph).

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