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25 mm Naval cartridge for 110 Series Naval Guns

25 mm Naval cartridge for 110 Series Naval Guns

Region

China
China

Category

Ammunition, Missiles and precision weapons
Ammunition, Missiles and precision weapons

This round uses a rimless, bottlenecked-lacquered steel case with a sharply stepped shoulder. Two main types of round are known to have been manufactured and they are still in production. One is known as Fragmentation Incendiary - Tracer (FIT), also referred to as HEI-T. The steel projectile incorporates a copper or gilding metal rotating band with a point-detonating all-weather nose fuze containing a self-destruct element. The tracer burns for at least 3 seconds. The second round is an AP-T. The solid steel

projectile weighs 281 g and contains a tracer element that burns for at least 4 seconds. It is assumed that training rounds are also available. This cartridge was developed for use in a twin-barrel 80-calibre naval gun that first appeared soon after 1945. The automatic dual-role gun appeared on numerous mountings and was widely used on light patrol craft and heavier craft distributed to many countries receiving Soviet military aid. It was manufactured in the People's Republic of China as the Type 61 twin-barrel naval gun, also widely exported. The guns are intended for use against both air and surface targets, being effective to ranges of 2,200 m against surface targets and 1,500 m against air targets. Applications include m-110 and 110-PM automatic naval guns on 2M3, 2M3M and 2M8 mountings; NORINCO Type 61 twin barrel naval gun.
Tech Specs
Round length291 mm
Round weightFIT, 640 g; AP-T, 642 g
Projectile weightFIT, 280 g; AP-T, 281 g
Projectile lengthapprox 291 mm
Muzzle velocity890-900 m/s
Range, surface (max) 2,745 m(effective) 2,200 m
Range, air targets (max) 2,800 m(effective) 1,500 m
Operational temperature range40 to +50ºC
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