Project 907 Triton-1
Small and midget submarines are designed for covert delivery of combat swimmers to hard-to-reach places. The history of the Triton family begins in 1957, when specialized research institutes of the Ministry of Defense began to work out the appearance of promising divers' vehicles. In April of the following year, the Leningrad Central Design Bureau-50 received an order to create a carrier for divers "NV". Already in August, the experimental "NV" was tested in the Caspian Sea, according to the results of which the project was continued. Then the code "Triton" appeared.
Triton testing and development continued until the end of 1959, after which it was adopted and put into mass production. Rather quickly NV "Triton" entered the disposal of the special units of all fleets and were mastered by the personnel. During various exercises, combat swimmers have repeatedly shown all the advantages of this technique. It facilitated patrolling, going out to a given area with cargo, etc.
"Triton" was distinguished by its extreme simplicity of design. It had a cylindrical lightweight hull with sealed bow and stern compartments. In the bow there was a T-7 battery, in the stern - a 2 hp electric motor. with a screw in a swivel ring attachment. The central compartment was intended for two divers in wetsuits and scuba diving. The compartment was made "wet" and covered with a light transparent lantern.
The length of the "Triton" was 5.5 m with a diameter of 700 mm. Weight - 750 kg. The submerged speed did not exceed 2.3-2.5 knots, the range was 8-10 nautical miles. The diving depth was limited to 35-40 m and depended on the physical capabilities of the divers. SMPL / NV of a new type could deliver two divers and small loads, such as mines for sabotage, to a given area.
Triton 1M
A new stage of work began in 1966 and was carried out at the Volna Central Design Bureau. Their first leader was Ya.E. Evgrafov. In parallel, the development of two projects was carried out - "907" and "908" with different technical features and capabilities. They were implemented and brought to production almost simultaneously.
The draft version of Project 907 "Triton-1M" was ready in 1968. The technical design was completed in 1970, after which the Leningrad Novo-Admiralteyskiy plant (nowadays "Admiralteyskie Verfi") began building the lead boat. Tests of the new SMPL started in 1972 and lasted for several months. After that, the plant received an order for serial construction. In 1973-1980, 38 copies were built of the a two-seater midget submarine of project 907 "Triton-1M". The super-small submarine Triton-1M of project 907 is designed to deliver combat swimmers and underwater weapons to the area of special operations, research work, rescue operations, inspection and repair of underwater structures, and inspection of the seabed.
The project was developed by the Central Design Bureau "Volna" under the leadership of Ya.E. Evgrafova. In 1966, the USSR began work on the creation of ultra-small submarines of the "Triton" type. They were led by the designers of the Volna design bureau.
The draft design of the SMPL "Triton-1M" was developed in 1968. The development of a technical design for a two-seater ultra-small submarine was completed in December 1969, and on April 4, 1970, it was finally approved by a joint decision of the Ministry of the Shipbuilding Industry and the USSR Navy. This made it possible for the staff of the Central Design Bureau "Volna" to start developing working drawings and technical documentation for the Triton-1M already in 1970, and in the third quarter of the same year, all working documentation for the SMPL was transferred to the Novo-Admiralteyskiy Zavod. In the same year, the plant began construction of the first Triton-1M submarines. The project received the designation 907.
The boat "Triton-1M" was built in a tear-shaped fragile hull, divided into compartments for different purposes. The bow of the hull accommodated a two-seater cockpit for divers of the "wet" type, covered with a transparent canopy. The crew had at their disposal a MGV-3 hydroacoustic station, navigation aids, a heading machine and a radio station. The central sealed compartment housed the STs-300 silver-zinc batteries; a P32M electric motor with a capacity of 4.6 hp was installed in the "dry" stern. The engine rotated the propeller in a rotary annular nozzle, which provided directional control.
1972-1973. the two-seater Triton-1M was tested, after which its serial production began at the Novo-Admiralteyskiy plant. A total of 32 units were built. "Triton-1M" is a "wet" type apparatus, two divers with individual breathing apparatus are in a permeable cabin filled with water. Its body also has solid impermeable volumes: a control panel in the driver's cab, battery and electric motor compartments. The power of the propulsion electric motor is 3.4 kW, the full submerged speed is 6 knots, the cruising range at this speed is 35 miles. The maximum immersion depth is 40 meters, the working depth is 32 meters. The transporter can remain motionless on the ground for up to 10 days. It is equipped with a magnetic compass, radio station, MGV-3 hydroacoustic station,
The delivery of an ultra-small submarine of the Triton-1M type to the site of the operation could be carried out on board surface ships of vessels of various displacement, as well as by submarines. Triton-1M is a "wet" type apparatus. The cockpit is permeable to seawater. The body is made of aluminum-magnesium alloy. The sealed compartments of the case house the STs-300 rechargeable batteries and the P32M electric motor. The device is equipped with a magnetic compass, a radio station, an MGV-3 hydroacoustic station and an automatic guidance system.
The operation of the Triton-1M type submarines was carried out in the USSR fleet until the end of the 1980s, after which they were mostly decommissioned.
In 1974, TsPB "Volna" became part of the newly formed SPMBM "Malachite", and this organization was engaged in the design support of "Tritons" of two types. In recent times, Malachite has continued to develop its direction and offers customers options for modernized SMPLs. The modern project 09070 "Triton-1" provides for the revision of the basic project 907 with the restructuring of the original structure and the use of modern components. In particular, more compact batteries and an electric motor were used.
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