100mm Type 79

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100mm Type 79 (twin).png

History

The Type 79 100mm twin naval gun (Chinese: 79式双100舰炮) was developed by CSIC No.713 Institute in 1970, passed test and designated as H/PJ-33 in 1985. The gun mounting and its variants are commonly used on Chinese destroyers and frigates built in 1980s to 1990s. It is fully automatic, but due to lacking confidence of reliability,in-turret manual operating capacity was remained on the basic model. The gun firing Soviet 100×695mm.R round, rate of fire is 50-60 rpm (two barrels combined), maximum range is about 23km.

Variants

  • Type 79 (H/PJ-33) - Basic model.
  • Type 79A (H/PJ-33A) - Improved variant with curve-shape unmanned turret.
  • Type 79A (H/PJ-33B) - Improved variant with stealth unmanned turret.

Used on

China:

  • Type 053K Jiangdong class (H/PJ-33).
  • Type 053H Jianghu I class, only 516九江(Jiujiang) (H/PJ-33 after 1985, H/PJ-33B after 2002).
  • Type 053H1 Jianghu II class (H/PJ-33, upgrade to H/PJ-33B on 533 Ningbo and 534 Jinhua after 2000s).
  • Type 053H2 Jianghu III class (H/PJ-33).
  • Type 053H1G Jianghu V class (H/PJ-33, upgrade to H/PJ-33B after 2000s).
  • Type 053H2G Jiangwei I class (H/PJ-33, upgrade to H/PJ-33B after 2000s).
  • Type 053H3 Jiangwei II class (H/PJ-33A, upgrade to H/PJ-33B after 2000s).
  • Type 051G Luda III/IV class (H/PJ-33B)
  • Type 051B Luhai class , before upgrade (H/PJ-33A, upgrade to H/PJ-33B after 2000s).
  • Type 052 Luhu class , before upgrade (H/PJ-33A, upgrade to H/PJ-33B after 2000s).

Thailand:

  • Type 053HT/HT(H) Chao Phraya class (H/PJ-33, later upgrade to H/PJ-33B).

Bangladesh:

  • Type 053H1: BNS Osman (F18) (H/PJ-33).
  • Type 053H2: BNS Abu Bakr (F15) and BNS Ali Haider (F-17) (H/PJ-33).

Myanmar:

  • Type 053H1: UMS Mahar Bandoola (F-21) and UMS Mahar Thiha Thura (F-23) (H/PJ-33).

Sri Lanka:

  • Type 053H2G: SLNS Parakramabahu (P625) (H/PJ-33B)

Affiliated systems

Fire control:

Part description

Belowdeck parts are not drawn due to lacking reference. Some source suggest the belowdeck parts penetrate two decks.