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https://militarnyi.com/en/news/s ... tection-system-aps/

At the IDET-2025 international exhibition, the Slovak company EVPÚ Defense presented the TURRA 30 V10 combat module with a domestic active protection system (APS).
This was reported by a correspondent for Militarnyi.
The new Slovak TURRA 30 V10 combat module is designed for installation on light armored vehicles.
The module’s main armament consists of a 30×173 mm Bushmaster cannon and a twin 7.62 mm machine gun. In addition, the combat module is equipped with two Spike LR2 anti-tank missiles. Target detection and guidance are carried out using an optical station with day and night channels.
The module’s basic armor protection complies with STANAG 4569 Level 1 and provides protection against non- armor-piercing 7.62×51 caliber bullets with the possibility of reinforcement with additional armor to Level 3, depending on customer requirements. The weight of the module varies from 2 to 2.5 tons, depending on the level of protection.


As a representative of EVPÚ Defense explained to Militarnyi, theoretically, the armor can be increased to Level 4, which would allow it to withstand 14.5×114 armor-piercing bullets. However, this would lead to a significant increase in weight, which would be incompatible with the military’s typical requirements for the buoyancy of armored vehicles.
The TURRA 30 V10 combat module is fully remote-controlled and operated by the commander and gunner, who are located inside the armored vehicle’s hull under the module. The commander can duplicate all of the gunner’s functions except for launching anti-tank missiles. In addition, a “hunter-killer” function has been implemented, which allows the combat module to automatically follow a target detected by the commander.
The module is equipped with a combined situational awareness complex consisting of several systems. Ultraviolet sensors for detecting anti-tank missile launches are installed directly on the combat module, which record the flash when the engines are started. A shot detection system is also installed, which reacts to the characteristic sound and flash and allows determining the exact location of the fire. In addition, laser radiation detectors are to be installed on the platform body, on which the combat module will be mounted, to detect the operation of laser guidance systems and rangefinders of enemy vehicles.
To protect armored vehicles from guided missiles, rocket-propelled grenades, and drones, the combat module has an integrated HARPIA active protection system, which was also developed by EVPÚ Defense. A radar system is used for detection, and when a threat is detected, the KAZ fires one of six fragmentation munitions, which neutralizes the enemy weapon by detonating.


According to a company representative, although the HARPIA KAZ is designed to intercept all types of anti-tank missiles, rocket-propelled grenades, and kamikaze drones, it is being demonstrated for the first time and has not yet undergone a full cycle of testing.
Eight launchers for Israeli SPEAR drones are installed behind the module, which can be used in strike and reconnaissance modifications. According to the plan, they will be controlled by a separate operator, who will also be located inside the vehicle, rather than by the commander or gunner.


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你看到的 “螺帽 + 外圈”，是一体成型的法兰面螺栓，外圈就是法兰盘，部分型号会额外配套防松自锁垫圈，材质为超高强度合金钢，专门适配装甲车辆的高负荷、强冲击使用场景。
现代装甲车 / 炮塔普遍采用模块化装甲设计，这类螺栓的核心作用，是把复合装甲、附加装甲板牢牢固定在车体 / 炮塔的基体结构上，既保证装甲安装的结构强度，也能实现战时快速更换受损装甲、按需切换不同防护等级的装甲模块。
法兰外圈能大幅增大承压面积，分散装甲被命中、受爆炸冲击时的应力，避免螺栓变形、断裂；同时自带防松自锁设计，能抵御战场剧烈震动，杜绝螺栓松动导致的装甲脱落。