On the large amphibious ships of Project 11711, the engines will be interchanged
According to the web resource Mil.Press FlotProm, the problems with the backward operation of the large landing craft of Project 11711 type "Ivan Gren" are planned to be solved by rearranging the diesels. Mil.Press FlotProm was informed about this by an industry source familiar with the situation.
Diesel engines 16ЧН26 / 26 large amphibious ship Project 11711 "Peter Morgunov" will be interchanged, the source added. "The right and left engines will be rearranged to the left and right side, respectively." This will change the nature of the rotation of the screws and eliminate the problem of controllability when reversing, "he said.
The source added that in case of successful tests at Morgunov, the profile state commission will make a decision about similar changes on the main ship Ivan Gren. According to him, this will happen after the transfer of the ship to the fleet, which was transferred to May.
The press service of "Yantar" correspondent Mil.Press FlotProm confirmed this information, but refrained from the details.
State testing "Grena" in late 2017 suspended, including because of problems with the reverse. Descent to the water "Morgunova" planned for May.
According to the engineer of PJSC "Zvezda" Alexander Arkhipov, the chief designer of the promising Russian diesel M150 "Pulsar", the rearrangement of engines is a complex process and can take up to several months. At the same time, Arkhipov allowed the possibility of changing the diesel in some places.
A source at the Kolomna plant, engaged in marine diesel engines, told the publication that he was not yet aware of the situation.Mil.Press Help FlotProm
"Ivan Gren" and "Peter Morgunov" - large amphibious ships project 11711, developed by the Nevsky Design Bureau. The main BDC was laid in the Baltic Yantar Shipyard in December 2004, and was launched only in May 2012. The transfer of the "Grena" to the fleet was repeatedly postponed.
With a body length of 120 meters and a width of 16.5 meters, the displacement of the BDK project 11711 is 5,000 tons. The speed is up to 18 knots. The crew is 100 people. The ship can carry on board 13 tanks or 36 infantry fighting vehicles, as well as up to 300 paratroopers.
The DB11 of project 11711 is equipped with two diesel-reverse gear units DRRA3700 with a diesel engine of modification 10D49 (16ЧН26 / 26) produced by the Kolomna plant. They are designed for use as part of the main power ship installation to work on a propeller of a fixed pitch.
The ships are armed with two 30 mm six-barrel artillery AK-630 and one dual AK-630M-2. The search and rescue helicopter Ka-27 or the transport-combat helicopter Ka-29 is based on the deck.