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2P27


BRDM-1 with 3M6 Shmel


Overview


2P27

Rear view of a 2P27 tank destroyer with its launcher in raised position.
Source: Janusz Magnuski - © public domain

Origin
Soviet Union
Type
Tank destroyer
Entered service
1961
Status
Out of service
Development
1959 - 1960
Developer
Soviet Union
Production
1961 - 1966
Producer
Soviet Union
Designations
2K16 Shmel (missile system)
AT-1 Snapper (NATO reporting name for missile)
Notable users
Soviet Union
Poland

Description


Introduction

The 2P27 is an early Cold War era tank destroyer of Soviet origin. It was developed in the early 1960's as a more capable alternative to the 2K15 Shmel, which was based on the GAZ-69 softskin all terrain vehicle. The 2K16 Shmel system is a second generation system that remedies much of the drawbacks of the earlier 2K15. It retains the 3M6 missile and associated limited capabilities, but the 2P27 launch vehicle is based on the BRDM-1 chassis. This offers basic armor protection, increased cross terrain mobility and amphibious capability.

Design

The 2P27 launch vehicle is based on the BRDM-1 chassis. It differs from the BRDM-1 in having a larger rear superstructure with 3 launch rails the can be lowered and covered with side folding doors. This new chassis offers basic armor protection, increased cross terrain mobility and amphibious capability. Since the three launch rails face forwards face forwards it is easier to position the vehicle for firing. Also the missiles can be launched from the vehicle.

Firepower

The 3M6 Shmel (NATO: AT-1 Snapper) is the earliest fully operational Soviet anti-tank guided missile. It uses wire guidance and is manually steered towards the target by the operator. The 2K16 launch system has three launch rails, but only a single missile can be guided at a time. The dead zone upon launch is 0.6 km and the maximum range is 2.0 km. This makes the 3M6 rather difficult to use.

Protection

The BRDM-1 chassis provides a degree of armor protection not found on the earlier 2P26 launch vehicle. The steel hull protects from small arms fire and shell splinters. There is no NBC protection or any smoke grenade launchers. The missiles can be fired from the vehicle, or via a control station up to 30 meters away.

Mobility

The BRDM-1 chassis provides good mobility. Cross country capability is provided by large wheels and retractable belly wheels. The 90 hp petrol engine allows for a maximum speed of 80 km/h on roads. It is fully amphibious with speeds up to 9 km/h in water. The combat weight is increased marginally over the BRDM-1, but nog enough to impact its mobility. Since the three launch rails face forwards face forwards it is easier to position the vehicle for firing. Also the missiles can be launched from the vehicle.

Users

The 2P27 was acquired by the Soviet Union. It was formally adopted in 1961, first seen on parade in 1962 and reportedly only available in numbers from 1964. The 2P27 was allocated anti-tank batteries attached to motor rifle regiments, with three platoons of three launch vehicles. The Soviet Union exported the 2P27 to several of its allies, including Poland and Cuba. The 2P27 was supplemented and replaced by more capable tank destroyers based on the BRDM-2 chassis and fitted with newer missile systems.

Details


Facts 2P27
General
Origin
Soviet Union
Type
Tank destroyer
Crew
2 (driver, gunner)
Dimensions
Weight
5.8 t combat load
5.2 t empty
Length
5.6 m
Width
2.25 m
Height
2.65 m launcher raised
1.9 m launcher stowed
Main armament
Type
3M6 Shmel anti-tank guided missile
Mount
2K16 triple launch rail
Ammunition
6 missiles, 3 ready to fire
Elevation
-3° to +18°
Traverse
12° left to 12° right
Stabilizer
No, cannot fire on the move
Chassis
Chassis type
Wheeled chassis, 4x4
4 retractable chain-driven belly wheels
Tread
1.66 m
Wheelbase
2.80 m
Ground pressure
Adjustable, 0.5 to 3.0 kg/cm²
Suspension
Leaf springs with two shock absorbers each
Amphibious propulsion
Single water jet
Automotive
Engine model
GAZ-40P
Engine type
6-cylinder water-cooled petrol
Power output
90 hp at 3.400 rpm
Transmission
Manual, 4 forward, 1 reverse
Fuel
150 L
Mobility
Speed
80 km/h on road
25 - 30 km/h off road
9 km/h afloat
Range
500 km on road
Power to weight ratio
15.5 hp/t
Obstacle crossing
Ground clearance
0.315 m
Wall
0.4 m
Trench
1.2 m
Gradient
60 %
Fording
Amphibious
Protection
Armor type
Steel
Armor thickness
7 to 11 mm hull front
7 mm hull sides and rear
4 mm bottom
5 mm roof
NBC system
No
Smoke system
No
Equipment
Night vision
Yes
Fire control
10P7 optical sight with 8x magnification
BPSh-8 binocular sight for use up to 30 m away from the vehicle

Armament


3M6 Shmel (NATO: AT-1 Snapper)

The 2P27 is a launch vehicle for the 3M6 Shmel anti-tank guided missile. Three missiles are ready to launch. Only one can be controlled at a time.

Related articles


2P26

The 2P27 was developed as a more capable launch vehicle for the 3M6 Shmel than the previous 2P26 launch vehicle.

BRDM-1

The BRDM-1 amphibious chassis is used for the 2P27. This was initially developed for the reconnaissance role.