2S7 Pion

From Wikipedia, the free encyclopedia
2S7 Pion
Army-2018-29.jpg
TypeSelf-propelled artillery
Place of originSoviet Union
Service history
In service1976–present
WarsSoviet–Afghan War
First Chechen War
Second Chechen War
Russo-Georgian War
2020 Nagorno-Karabakh war
Russo-Ukraine War
Production history
Produced1975–1990
Specifications
MassWhole vehicle: 46,500 kg
Cannon: 14,600 kg
Length10.5 m (34 ft 5 in)
Width3.38 m (11 ft 1 in)
Height3 m (9 ft 10 in)
Crew14

Shell weight103kg[1] or 110kg[2]
Caliber203mm[1]
Barrels1
Carriage12m[2]
Elevation0-60deg[1]
Traverse30deg[1]
Muzzle velocity960m/s[1]
Effective firing range37.5km (unassisted)
Maximum firing range47.5km (assisted)

Armor10mm max.
Main
armament
203 mm 2A44 gun L/56.2
EngineV-46-I V12 turbocharged diesel[3]
840 hp[3]
Suspensiontorsion bar
Operational
range
Road: 650 km (400 mi)
Maximum speed 50 km/h (31 mph)

The 2S7 Pion ("peony") or Malka is a Soviet self-propelled 203mm cannon. "2S7" is its GRAU designation. More than 250 units were built; some sources say 500,[1] others up to 1,000.[4] They were distributed around the former Soviet states in the dissolution of the Soviet Union after 1991.

Description[edit]

The 2S7 Pion was identified for the first time in 1975 in the Soviet Army and was called M-1975 by NATO (the 2S4 Tyulpan also received the M-1975 designation), whereas its official designation is SO-203 (2S7). It used a new-design chassis, partly based on T-72 and T-80 design,[1] carrying an externally mounted 2A44 203 mm gun on the hull rear.[citation needed] The vehicle is self-entrenching and has an overpressure CBRN defense system.[5] It was reported that the 12-metre (39 ft) long gun weighs 14.6 tons and has a service life of 450 rounds.[2]

There are multiple manufacturers: the chassis was made at the Kirov Factory, St. Petersburg, Russia, while the gun and mount were made at the Titan-Barrikady plant in Volgograd, Russia.[3]

The Malka modernization process in the late 2010s involved substituting several of the Ukrainian-produced components, such as the gearbox and engine, with new components manufactured in Russia at the Uraltransmash plant in Yekaterinburg.[6]

The 2S7 uses a tracked chassis that was designed specifically for this artillery system. It uses a number of automotive components from the T-72 and T-80 main battle tanks. It is powered by a V-46-I turbocharged liquid-cooled V12 diesel engine,[1] developing 750 horsepower (or 840[3]). It is also fitted with an auxiliary power unit, developing 24 hp and powering all systems when the main engine is shut down.[7]

The 2S7 carries a crew of fourteen and eight rounds of ammunition; seven crewmembers and four rounds are carried by the Pion, with the remaining crew and rounds in an auxiliary vehicle.[7]

It takes the crew about six minutes to set up and five minutes to dismantle. It carries four 203 mm projectiles for immediate use. It is capable of firing nuclear ammunition.[8] The gun has a range of 37,500 metres (23.3 mi), but this can be extended to 55,500 metres (34.5 mi) by using a rocket-assisted projectile.[7] One interesting feature of the Pion is the firing alarm. Because the blast of the weapon firing is so powerful – it can physically incapacitate an unprepared soldier or crew member near it from concussive force – the Pion is equipped with an audible firing alarm that emits a series of short warning tones for approximately five seconds prior to the charge being fired.[6]

Operational and combat history[edit]

Variants[edit]

The original version is known as the 2S7 Pion.

An updated version called the 2S7M Malka entered service in either 1983 or 1986.[16] The 2S7M Malka uses an improved fire control system that increased the rate of fire from 1.5 to 2.5 rounds per minute, and increased the ammunition load to eight projectiles.[17][18][16]

The BTM-4 Tundra trench digger shares the 2S7 Pion chassis.[7]

Operators[edit]

Map with 2S7 Pion operators in blue and former operators in red

Although no figures have been released, it is estimated that well over 1,000 have been built.[4] The Soviet Army had 347 in active service as of 1990.[1]

2S7 Pion of the Armed Forces of Ukraine conducting firing.

Former operators[edit]

See also[edit]

References[edit]

  1. ^ a b c d e f g h i "Soviet 2s7 Pion SPG (1975)". www.tanks-encyclopedia.com. Retrieved 19 April 2022.
  2. ^ a b c Soviet/Russian Armor and Artillery Design Practices: 1945-1995. Marine Corps Intelligence Activity. 1995.
  3. ^ a b c d "2S7 Pion (M1975) Russian 203mm Self-Propelled Gun (SPG)". army.mil. Retrieved 29 May 2022.
  4. ^ a b Jane's Armour and Artillery 1997-98 ISBN 0-7106-1542-6
  5. ^ "2S7 203-mm Self-Propelled Gun". FAS Military Analysis Network. 16 October 1999.
  6. ^ a b "Russia Army Receives Upgraded 2S7M Malka Self-propelled Heavy Howitzer". Military Leak. 13 December 2021.
  7. ^ a b c d e "2S7 Pion". Military Today. Archived from the original on 9 July 2009. Retrieved 10 January 2010.
  8. ^ "203mm shells for 2A44 howitzer". WEAPONSYSTEMS.NET. Retrieved 29 May 2022.
  9. ^ a b "Украина возвращает на вооружение мощнейшие САУ Пион: видео". Liga. 10 November 2014. Archived from the original on 11 November 2014. Retrieved 11 November 2014.
  10. ^ "2S7 Pion". War for Ukraine. Archived from the original on 14 April 2016. Retrieved 2 April 2016.
  11. ^ "Upgunning Artillery". Russian Defense Policy. 29 April 2018. Retrieved 18 April 2023.
  12. ^ "Ağdərə istiqamətində düşmənin artilleriya bölmələrinə zərbələr endirilib" [Enemy artillery units were hit in the direction of Aghdara] (Press release) (in Azerbaijani). Azərbaycan Respublikası Müdafiə Nazirliyi. 28 September 2020. Retrieved 29 September 2020.
  13. ^ "New footage shows Russia's 'atomic cannons' within 10 miles of Ukraine sparking nuclear war fears". London Business News. 12 February 2022. Retrieved 26 February 2022.
  14. ^ Volodymyr (1 March 2023). "Pravda.com.ua Interview: Ukrainian colonel Oleh Shevchuk • WarTranslated". WarTranslated. Retrieved 2 March 2023.
  15. ^ "Russians Show Off Artillery's Firepower Over Ukraine in Video". Newsweek. 27 May 2022.
  16. ^ a b "Russian army receives first modernized 203mm 2S7M Malka self-propelled howitzers". Army Recognition. 7 December 2021.
  17. ^ "Russia: 2S7M Malka 203mm self-propelled guns destroy targets at 50km". Army Recognition. 29 March 2018. Archived from the original on 29 January 2019.
  18. ^ "Russian Military Forces - Aviation - Navy - Infantry firearms - Communications - Ground systems - Weapon photogallery". Archived from the original on 6 July 2013. Retrieved 24 December 2014.
  19. ^ "sipri.org". Archived from the original on 23 April 2014. Retrieved 3 May 2014.
  20. ^ "Today.Az - What weaponry did Azerbaijan buy from Russia last year?". Archived from the original on 24 December 2014. Retrieved 24 December 2014.
  21. ^ "Belarus Army Equipment". Archived from the original on 16 February 2017. Retrieved 4 September 2017.
  22. ^ "Georgian Army: Georgian Land Ground Forces Military Equipment Armoured Vehicles - Pictures". Archived from the original on 31 May 2009. Retrieved 8 February 2016.
  23. ^ International Institute for Strategic Studies (14 February 2020). The Military Balance 2022. Routledge. p. 194. ISBN 978-0367466398.
  24. ^ "Артиллеристы ЦВО в Сибири получили новейшие самоходные пушки "Малка"". Archived from the original on 26 June 2018. Retrieved 26 June 2018.
  25. ^ "Russia completes 2S7M Malka 203mm self-propelled howitzer upgrade". 14 April 2020.
  26. ^ "Russian Army gets one of world's most powerful self-propelled guns after upgrade".
  27. ^ "Russian MoD receives first modernised Malka gun". Janes.com. 20 April 2020. Retrieved 1 June 2020.
  28. ^ "Defense contractor completes upgrade of Malka heavy howitzers for Russian troops".
  29. ^ Volodymyr (1 March 2023). "Pravda.com.ua Interview: Ukrainian colonel Oleh Shevchuk • WarTranslated". WarTranslated. Retrieved 2 March 2023.
  30. ^ "History of 131th Artillery Division" (in Czech). Archived from the original on 22 March 2013.
  31. ^ "203 MM SAMOHYBNÝ KANÓN 2S7 PION" (in Slovak).

External links[edit]