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Sprut

125 mm Sprut antitank gun.

2A45 Sprut-A, 2A45M Sprut-B and 2S25 Sprut-SD (Russian for Octopus or Kraken[1]) are the designations of the Soviet smoothbore 125 mm anti-tank gun.

DevelopmentEdit

The 2A45M was created in the late 1980s at the Petrov Design Bureau at Artillery Plant Number 9 also responsible for the 122 mm howitzer 2A18 (D-30).

Description (Sprut-B)Edit

The most distinctive feature of the Sprut-B is its integrated engine, which can propel the gun on relatively flat surfaces (up to 15 degrees slope) and at 14 km/h on roads. This gives the gun a measure of mobility on the battle field. It takes 2 minutes to go from firing position to travelling position and 1.5 minutes to go from travelling position to firing position. Such guns are known in Russian as "self-moving" (самодвижущиеся) as opposed to self-propelled (самоходные), and outside of battle it is towed by an MT-LB.

The gun features a crew of seven. During the day the OP4M-48A direct fire sight is used, at night the 1PN53-1 night vision sight is used. For indirect fire the 2Ts33 iron sights are used, along with the PG-1m panoramic sight. The gun can reliably engage targets 2 metres high at a distance of 2000 metres.[2]

The barrel features a thermal sleeve to prevent temperature changes affecting the accuracy. The gun uses the same split ammunition as the T-64, T-72, T-80 and T-90 tanks.

With an additional piece of equipment of the 9S53, laser guided projectiles like the 9M119 Svir or 9K120 Refleks can be fired.

General characteristics (Sprut-B)Edit

  • Calibre: 125 mm, 51 calibre
  • Muzzle brake: double `T' type
  • Breech mechanism: semi-automatic, vertical wedge
  • Shield: yes
  • Weight:
    • (towing) 6,500 kg (14,300 lb)
    • (self-propelled) 6,800 kg (15,000 lb)
    • (firing) 6,575 kg (14,495 lb)
  • Length:
    • (towing) 7.120 m (23.35 ft)
    • (self-propelled) 6.790 m (22.27 ft)
  • Height:
    • (towing) 2.09 m (6.85 ft)
    • (self-propelled) 2.35 m (7.70 ft)
  • Width:
    • (towing) 2.66 m (8.72 ft)
    • (self-propelled) 2.66 m (8.72 ft)
  • Axis of bore: 0.925 m (3 ft)
  • Track: 2.20 m (7.21 ft)
  • Ground clearance: 0.36 m (1.18 ft)
  • Elevation/depression: +25°/−6°
  • Traverse: 360°
  • Range:
    • (APFSDS) 2,000 m (2,200 yd)
    • (missile) 5,000 m (5,500 yd)
    • (HE) 12,200 m (13,300 yd)
  • Rate of fire: 6–8 rds/min
  • Fording: 0.9 m (3 ft)
  • Speed:
    • (in APU mode) 14 km/h (9 mph)
  • Range:
    • (in APU mode) 50 km (30 mi)
  • Crew: 7
  • Towing vehicle: Ural-4320 (6 × 6) truck, MT-LB multipurpose tracked vehicle
  • Towing speed: 80 km/h (50 mph)

AmmunitionEdit

The gun uses the same ammunition as the D-81 series of guns used on the T-64, T-72, T-80 and T-90 tanks.

ModelsEdit

  • Sprut-A 2A45 Pure towed gun.
  • Sprut-B 2A45M Self-propelled towed gun.
  • Sprut-SD 2S25 A self-propelled gun mounted on the BMD-3 chassis with a turret mounting the stabilised 2A75 125 mm smoothbore gun [3]

UsersEdit

  • Flag of Hungary.svg Hungary
  • Flag of Iran.svg Iran: manufactured by reverse engineering.
  • Flag of India.svg India
  • Flag of the People's Republic of China.svg People's Republic of China: developed their own indigenous version
  • Flag of Russia.svg Russia
  • Flag of Ukraine.svg Ukraine: made under license, by KMDB, in the city of Kharkiv.

Former usersEdit

  • Flag of the Soviet Union.svg Soviet Union passed construction license to successor states
    • Flag of Russia.svg Russia
    • Belarus Belarus
    • Flag of Ukraine.svg Ukraine
  • Flag of Yugoslavia (1946-1992).svg Yugoslavia passed construction license to successor states

See alsoEdit

ReferencesEdit

  • Hull, A.W., Markov, D.R., Zaloga, S.J. (1999). Soviet/Russian Armor and Artillery Design Practices 1945 to Present. Darlington Productions. ISBN 1-892848-01-5.
  • Military Parade
  • Enemy Forces
  • Jane's Armour and Artillery 2002-2003

External linksEdit

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