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CS/SM-4 81mm vehicle-mounted rapid-fire mortar

The SM-4 81mm vehicle-mounted rapid-fire mortar is a new type of mortar independently developed by China's professional mortar development organization during the "Tenth Five-Year Plan" period. Because the SM-4 81mm vehicle-mounted rapid-fire mortar can achieve rapid maneuverability, and has the characteristics of airborne behind enemy lines, roundabouts, and urban street fighting, some people call it the "assault gun" in the mortar.

The SM-4 81mm vehicle-mounted rapid-fire mortar is called the "dominant Chinese scorpion" overseas. This type of rapid-fire mortar is an improvement and re-innovation of other domestic-made rapid-fire mortars. Compared with the traditional mortar of the same caliber, it greatly improves the rate of fire and maneuverability, and is called the "revolution" of the mortar. The SM-4 81mm vehicle-mounted rapid-fire mortar has great vehicle-mounted maneuverability, thus increasing the speed at which the mortar enters and exits the battle. This "fight and run, run and fight" evasion protection function is not to "fight through", but to make it "failure."

Mortars are divided into: "three-piece" mortars, rear-loading mortars with anti-recoil device, and rapid-fire mortars. The SM-4 81mm vehicle-mounted rapid-fire mortar is a rapid-fire mortar. The SM-4 81mm vehicle-mounted rapid-fire mortar not only retains the fierce firepower of the rapid-fire mortar, but also achieves a 360-degree firing and improves fire maneuverability.

Due to the high trajectory of the mortar shell and the long time that the shell flies in the air, it is easy to be detected by the position detection radar. Changing positions frequently is the best way for mortars to avoid counter-attacks. The SM-4 81mm vehicle-mounted rapid-fire mortar is compatible with the chassis of the domestic "Dongfeng" 4x4 military off-road vehicle. It improves combat maneuverability and shortens the time to enter combat and evacuate combat.

The SM-4 81mm vehicle-mounted rapid-fire mortar is equipped with a fire control computer and a motor-driven steering machine, which realizes the automatic calculation of ballistic elements and rapid adjustment of the direction of the gun. It also shortens the shooting preparation time and improves the set-up of the elements. Accuracy. The gun is equipped with a laser direct sight lens and a low-light lens, which can realize semi-direct sight and night observation aiming, and can improve the first shot hit rate of the artillery.

The SM-4 81mm vehicle-mounted rapid-fire mortar can suppress or annihilate the targets that hinder the execution of infantry battalion combat operations. It can also perform tasks such as smoke blindness, arson, and lighting shooting. The main combat targets are: various exposed targets in front of the enemy, shallow or within a certain depth, including active forces, armored targets, artillery positions, missile launchers, etc., as well as concealed in undulating terrain such as reverse slopes, canyons, jungles, or field fortifications, cities Various goals behind the building.

The SM-4 81mm vehicle-mounted rapid-fire mortar ammunition sub-system is an 87-type 81mm long-range killing mortar. According to the issued combat order, the 81mm vehicle-mounted rapid-fire mortar SM-4 uses the fire control computer to calculate and set all the elements, the first shot is manually opened, the single shot or burst shooting mode is selected, the magazine is loaded, the gun is operated and the shot is fired. . After shooting, the latch is automatically opened, and the next magazine can be loaded and launched.

The high and low firing range of the SM-4 81mm vehicle-mounted rapid-fire mortar is -1~+85, the maximum firing range is greater than 6000 meters, the effective direct firing distance is 400 meters, the actual firing speed is about 40 rounds/min, and the maximum firing speed is up to 4 rounds/2 seconds.

The SM-4 81mm vehicle-mounted rapid-fire mortar chassis uses the Dongfeng EQ2050 44 military off-road vehicle. The maximum road speed is more than 100 kilometers per hour, and the maximum mileage is more than 550 kilometers. The gun can also be equipped with a chassis according to the needs of military trade.

The SM-4 81mm vehicle-mounted rapid-fire mortar adopts an automatic machine with a free recoil on the breech block and a forward strike to fire. It has the characteristics of automatic burst. Therefore, some people commonly call this type of mortar the "machine gun". ".

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Page last modified: 01-08-2021 14:06:45 ZULU