Project 717 Transport / Minelayer Submarine
Showing persistence in seeking to build a submarine of this type and building on the recorded five-year shipbuilding plan to develop a large amphibious transport submarine, mine layer, the specialists of the Main Directorate of shipbuilding were able to convince the Navy to the advisability of issuing another TTZ for designing large nuclear submarines and troop-transport - mine minelayers Project 717. According to the TTZ, the submarine was designed for the clandestine delivery of marine landings, military equipment, weapons, ammunition, fuel, food and other goods in remote ocean areas, including the delivery of reinforcement troops and remote garrisons, blocked the enemy, for the evacuation of troops and wounded from isolated areas coast and islands for the production of active minefields in remote areas of the oceans.
In August 1967, TSKB "volna" began work on designing "big freight airborne submarine mine layer" project - 717. It has been widely used design foundation for previously terminated projects 664 and 748. On the tactical ship specification was designed to smuggle missions, military equipment, arms, ammunition, food and other goods, as well as for raising minefields in remote areas of the ocean. Naturally, the development of the project in the office was entrusted to the group chief designer NA Kiselyov, who had had a decade of experience on projects of transport submarine, mine layer, the more so because the task ordered to make maximum use of hardware created for the project 664. Technical design of the ship was finished in 1971 and was approved by 18 March 1972 (when the customer has an additional requirement is to rescue the crew of sunken submarines through special rescue projectiles).
Elaborating technical documentation is carried out in relation to the construction of the Nuclear Submarine in the Northern machine-building enterprise. Architecture PLA chief designer received similar recently proposed in the submarine project 748, which was determined by the necessity of self-propelled transportation equipment and large numbers of people. Durable hull was formed of three horizontal cylinders, in the central one (with the largest diameter) were placed arms ship, its crew and staff of the troops, equipment, and nuclear power plant. The two side compartments housed tracked and wheeled armored vehicle, which were debarked via a pair of bow ramp. There could be located spare mines.
Particular challenge was the formation of fore and aft end of the ship. In the nose, it was necessary to combine the torpedo, aerial sonar to provide them with the required viewing angle, the ramp to release the landing technique with complex and cumbersome mechanisms of rotation and seals, as well as a number of other devices. At the aft end was required to create normal conditions for the propellers, rudders and safety of the ship when the mine productions. The complexity of the vessel architecture to require that the mass-scale three-dimensional models to better represent the relative positions of all the items and get a satisfactory hydrodynamics case.
Guided missile armament, SJSC "Rubicon", situated at the bow of the ship. Defensive armament of six torpedo boats included 533 mm armed MBTs (18 torpedoes) and two hermetically closed 30-mm anti-aircraft artillery as well-213 m (underwater position retractable into containers, located in the add-in). There was even a rescue Chamber GLW-3. There was considerable and very innovative hydrodynamics boats.
Building a boat turned out to be a complex form, and computer modelling of lacking - it made a lot of 3D models, including compositing inside compartments. Complex APPLE demanded a large number of 3-d models of manufacturing, reproducing the positioning of all items. It had a nice history of fluid dynamics - despite the enormous size and protruding parts - lightweight design turned out as "zalizannym". In approving the preliminary design for the ship lay another function: "the salvation of the personnel of the sunken submarine with the help of special rescue shells." This is a new additional purpose required, of course, a major recycling project. The technical project was completed in late 1971 and approved in March 1972.
It was decided to build a series of five ships. However, construction of submarine 717 failed to start. The only plant capable of building such large ships, was the NSR. However, the priority of achieving nuclear parity with the United States again stood in the way of the project. On the SMP began to deploy training to build heavy missile submarines of the Typhoon, created in response to U.S. SSBNs have been built for the program Trident. And just as it was when trying to build submarines of Project 648 and 664, preference was given to a strategic vehicle. And all work to create a large amphibious transport submarine - the mine layer were terminated.
| LOA | 190 m
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| Beam | 23 m
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| Displacement normal | 18000 M3
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| Diving depth | 300 m
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| Autonomy | 75 d
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