450
PART 3 3
SUBMARINES
GROUP 19 SHIPS, SMALL CRAFT,
PONTOONS AND FLOATING DOCKS
Class 1905 Combat Ships and Landing Vessels
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,-.. 1905 /01231 405-6,7 7 4-815-
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The main propulsion unit provides for:
- propulsion in submerged or surfaced position by the main
electric propulsion motor, as well as by the economic speed
electric propulsion motor;
- charging of storage batteries;
- snorkeling mode;
The backup propulsion unit can be operated both underwater
and on the surface.
The submarine is equipped with two diesel generators, each
comprising a diesel engine and an AC generator.
Other submarine systems include: diving system, drain sys-
tem, trim system, low/medium/high air pressure systems,
emergency blowing system, marine and steering hydraulic
system, fuel system, firefighting system, ventilation system,
air-conditioning system, deck-drain and sewage-disposal
system, etc. All vital systems are duplicated. Most of these
systems operate autonomously. They are manipulated either
from the main control room or from local stations.
The submarine’s machinery and systems are adapted for
operation in any climatic conditions.
The submarine of Project 636 incorporates the most
advanced engineering solutions, which have made it possible
to reduce its noise to the noise level of natural marine
environment.
The submarine of Project 636 has two hulls and elegant
shape. It features a considerable reserve of buoyancy and
unsinkability. The boat remains afloat if one of its compart-
ments and two adjacent main ballast tanks on one side are
flooded. Moreover, it continues to perform its mission under
these circumstances to the possible extent.
!3456478 9:;:<=8;>3=><>
0907;F1E1:71, F
3
040,0 2350
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2 @09209:0F @0,0?1:77 20
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N40:0F7<1.47F A090F .0 .4050.8HP 3 >;. 400
2 51?7F1 o .0 .4050.8HP 7 >;. 7500
\,>67:- @0G5>?1:7=, F:
@5191,H:-= 300
5-60<-= 250
@157.40@:-= 17,5
v280:0F:0.8H, .>8. 45
005>?1:71 L1.8H 533-FF 805@19:3A -@@-5-802,
12 805@19 7,7 24 F7:3
Basic Characteristics
Displacement, m
3
about 2,350
Principal dimensions, m 73.8x9.9x6.3
Speed, knots:
submerged 20
surfaced 11
Range, mile:
at economic speed of 3 knots 400
snorkeling at a speed of 7 knots 7,500
Diving depth, m:
maximum 300
operating 250
periscopic 17.5
Endurance, day 45
Armament: six 533mm torpedo tubes;
12 torpedoes or 24 mines