The 37 mm automatic air defense gun M1939 (61-K) (Russian: 37-мм автоматическая зенитная пушка образца 1939 года (61-К)) is a Soviet 37 mm calibre anti-aircraft gun developed during the late 1930s and used during World War II. The land-based version was replaced in Soviet service by the AZP S-60 during the 1950s.

The ZSU-37-2 Yenisei ("Yenisey", GRAU index 2A1) was an experimental self-propelled anti-aircraft gun developed in the Soviet Union in the late 1950s. It employed dual 37 mm caliber autocannons with a combined rate of fire of 1048 rounds per minute .

The 2A11 is the GRAU (Soviet Main Missile and Artillery Directorate) designation for the 37 mm 500P anti-aircraft cannon which was developed by OKB-16 (now KB Tochma) led by Alexander Nudelman. OKB-43 specifically designed the twin-mounted version designated the 2A12 "Angara" for the ZSU-37-2 Yenisei , which also equips unique 37 mm cartridges ...

The 500PA (GRAU Index: 2A11) is a Soviet 37mm autocannon developed in the 1950s. The 2A11 is usually fitted in the 2A12 twin-mount, which is used in the ZSU-37-2.

The ZSU-37-2 Yenisei was a late 1950s Soviet self-propelled anti-aircraft gun. The development of the Yenisei started in April 1957 as it was obvious that the then new ZSU-57-2 was not a very capable SPAA, especially lacking accuracy and search-and-track radar. A modified SU-100P tank destroyer chassis was chosen as the basis of the vehicle.

2024年11月3日 · So the Yenisei's machine gun means that it is a 37mm twin. The GRAU code name is excessively subdivided; the main gun is a 37mm 500P anti-aircraft cannon as 2A11, the AZP-37 Angara anti-aircraft gun turret, which is double-barreled, is 2A12, and the Ovient 119 hull, which received the GABTU code name, is all codenamed 2A1. received

2025年1月24日 · Air defense of motorized rifle regiments to engage targets at altitudes up to 1500 m, and "Yenisei" - for air defense of tank regiments and divisions, and operated at altitudes up to 3000 m. For the ZSU-37-2, OKB-43 developed a 37-mm twin anti-aircraft gun "Angara". It used two 500P assault rifles developed at OKB-16.

2006年5月21日 · The ZSU-37-2 Yenisei is a later, unrelated design based on the chassis of the experimental SU-100P self-propelled gun. It was armed with a twin-37 mm 500P Angara anti-aircraft autocannon. The development of completelly new radar-guided SPAAG vehicles, namely the ZSU-37-2 and the ZSU-23-4 began in 1957.

37mm機関砲2門を装備するレーダー対空砲. ・索敵レーダーの捜索範囲を「3°」「60°」｢360°｣と切り替えられる（『レーダー / 赤外線捜索追尾システムモードの変更』にキーを割り当てる必要がある。 ・37mm砲弾を高レートで撃てる為、中遠距離の航空目標に強い。 ・装甲が最大9mmしかなく防御力が低い。 といった特徴がある。 －－加筆求む－－. シルカ と比較すると、主砲が37㎜2A11になったことにより射撃レートは下がったものの、シルカでは手が届 …

The 500PA (GRAU Index: 2A11) is a Soviet 37mm autocannon developed in the 1950s. The 2A11 is usually fitted in the 2A12 twin-mount, which is used in the ZSU-37-2.