2016年10月30日 · Compared to the ZIF-71, this new weapon could fire bursts twice as long and had 80% less cooling time between bursts. Each belt contains 550 rounds and the first round needs to be manually chambered. The AK-725 was controlled by the ESP-72 fire control system, which was itself controlled by the MP-103 Bars radar.

АЗП (AZP); literally: Automatic anti-aircraft gun S-60) is a Soviet towed, road-transportable, short- to medium-range, single-barrel anti-aircraft gun from the 1950s. The gun was extensively used in Warsaw Pact, Middle Eastern and Southeast Asian countries.

2023年12月29日 · The AK-725 is a unique unmanned fully automatic turret developed by the Soviet Union in the 1950s. It features two ZIF-74 57mm water-cooled anti-aircraft guns and is operated...

The problems with the ZiF-75 and ZiF-31 mountings prompted the soviet navy to issue a request for a completely new 57mm weapon system. The prototype was constructed in 1959 and the new mounting, the AK-725, was officially accepted into service in 1964.

该炮采用弹槽供弹，理论射速明显高于弹夹供弹的ZIF-31，不过受限于气冷式设计的散热效率，每根炮管持续射击仍然不得超过50发，否则就有炸膛的危险，需要喷水冷却1分钟以上。 四个自动装弹机装满弧形弹槽耗时2.5-3分钟，满弹时可持续射击30秒。 ZIF-75依然采用开放式结构，在恶劣气候条件下存在可靠性不佳的问题。 SM-20-ZIF四联装45毫米防空炮. SM-20-ZIF防空炮对空 …

AK-725, ZIF-72 - a 57 mm calibre fully automatic naval anti-aircraft gun, mounted in an all-metal sealed turret. The gun is based on the 57 mm S-60 antiaircraft gun. In addition to use in the USSR, the gun was exported to India. Its development was initiated by a decision of the VMF headquarters dated 30.11.1956.

Top view of AK-725 naval gun turret.

1956年，苏联TsKB-7开始研制新一代高平两用高抛，这就是AK-725。 AK-725的设计非常特别，它是苏联海军第一种无人操作的全自动炮塔，它拥有一座无装甲保护的旋转炮塔，外壳只是6毫米厚的铝合金，为了避免水汽渗透、凝结，外壳可以全封闭，内部和部分外表覆盖了聚氨酯泡沫做的隔热材料。 最奇特的还应该是炮塔的外形，就像是把常规炮塔削了一半再安上半个球形炮 …

57 mm / 75 cal – AK-725 (2009 – LST ‚Ropucha I‘ Klasse) Fotos. 2005, FS 'Grisha III' Klasse

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