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Russian Gas Turbine for First Project 20386 Corvette to be Supplied in 2020

The first project 20386 corvette "Derzky" (Derzky-class) will receive a gas turbine in the first half of 2020, Severnaya verf shipyard told FlotProm online publication.

Russian Gas Turbine for First Project 20386 Corvette to be Supplied in 2020 1 Artist impression of the new Project 20386 Corvette for the Russian Navy

"We expect the delivery of the unit from Saturn producer in Rybinsk in the second quarter of 2020," it said.

Corvettes of project 20386 have a gas turbine power plant with partial electric propulsion. It has two M90FR engines produced by Saturn of 27500 HP each and two electric engines of 2200 HP each. Reducers and the gear of the 6RP unit are produced by Zvezda enterprise in St. Petersburg. It designed a technical project for the reducers and the gear for gas turbine power plant of project 20386. Saturn was ordered to create M90FR gas turbine engine for gas turbine power plant with partial electric propulsion.

A source at Saturn told the publication the enterprise has launched small batch production of M90FR engines for corvettes of project 20386 and frigates of project 22350. The supply of the frigate engines is a priority. The third and the fourth warships of project 22350, the Admiral Golovko and the Admiral Isakov are to be handed over to the fleet in 2021 and 2022. The source said the situation with the reducing gear delivery by Zvezda is unclear so far.

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Russian Gas Turbine for First Project 20386 Corvette to be Supplied in 2020 2 The Project 20386 features a modular mission bay at the stern, somewhat similar in concept to the U.S. Navy's LCS

Navy Recogniton Comment on Project 20386
The Project 20386 is fundamentally a new design concept for the Russian Navy: It features a balanced composition of weapons, integrated information management system, open architecture, new radar and robotic systems and a reduced crew complement. Similar to the U.S. Navy littoral combat ships (LCS), the project is based on the principle of modularity: Equipment aboard the ship depends on the mission. There is a completly modular mission bay under the helicopter platform.

The corvette also shares size and displacement comparable to the LCS of the U.S Navy.

Sensor suite includes the new multifunctional radar complex MF RFCs "Barrier" and sonar system "Minotaur ISPN-M" with towed array based on the CIM 335 EM-03. Main propulsion is a combined gas turbine unit with a partial electric drive composed of: two gas turbine engine M90FR by JSC Saturn with a capacity of 27,500 hp, two 2200 hp electric motor.

According to plans, the Russian Navy will receive the lead ship in 2021.The Russian Navy plans to procure at least 10 ships for now. As expected, the head of the order exceeds the value of 20 billion Rubles.

Basic tactical and technical characteristics:
Displacement - 3400 tons.
Length - 109 meters.
Width - 13 meters.
Speed - 30 knots.
Cruising range - 5000 miles.
Crew - 80 sailors.

Armament (planned):
1x1 - 100mm universal gun mount type A-190.
2x6 - 30mm AK-630M-type machine.
2x8 - SAM type "Redoubt" vertical launchers.
2x4 - launchers "Uranus" RCC for complex "Kalibr-NK".
2x4 - torpedo launchers complex protection "Packet-NK".