Mil and Kamov modify Mi-8/17 helicopters - Part 2.

Russia has designed another modification of the famous Mil Mi-8/17: the Mi-8AMTSh-VN. It was developed from Mi-8AMTSh. The prototype was for the first time demonstrated to the public at MAKS-2017 airshow. Mi-8AMTSh is equipped with two sliding doors and additional hatches to facilitate the landing of assault.

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Mil Mi-8AMTSh-VN displayed at MAKS 2019 (Picture source: via Defense World)

The manufacturer said the onboard defense system, titanium and Kevlar armor provide better protection and survivability. The armor protects the crew and the most important mechanisms of the helicopter, as well as the compartment with paratroopers. The helicopter is armed with 12.7 mm machine guns, unguided missiles, various bombs, and a complex of guided missiles with a sight to fight air and ground targets, destroy firing points and armor.

The new lifting system has an upgraded rotor with all-composite blades of modern aerodynamic design. The rotor and more powerful engines increase maneuverability, the flight speed and provide new characteristics for operations in highlands and hot climates. Mi-8AMTSh-VN also has an efficient X-shaped torque rotor.

The helicopter is equipped with a stabilized optical-electronic system, additional searchlight with an infrared spectrum, and lights adapted for night vision goggles. Many combat missions are fulfilled automatically due to an integrated piloting and navigational complex and a digital autopilot.

Russia has created other Mi-8 options. The multirole Mi-171A2 is a modern modification of the Mi-8/17 family and a development of Mi-171A1, which was certified abroad. The lifting system, transmission, electronics and engine were upgraded.

The United Engine Corporation (UEC) designed the VK-2500 turboshaft engine to replace imports. It replaced Ukrainian-made TV3-117, which powered Mi-8/17 of the previous series. Mi-171A2 is powered by VK-2500PS-03 latest engine developed from the motor of Mi-28N gunships.

The new engine has a modern Russian electronic system and anti-surge control. BARK-78 automatic regulation and control unit of UEC-Klimov increases the engine capacity at an emergency regime maintains the operational regime in a broader range of outside temperatures increases the resource and fuel efficiency. Designers said the helicopter is reliably protected against engine failure caused by a strong airflow or rapidly falling pressure in highlands and hot climates.

The Mi-8 family continues to develop. New engines, onboard equipment, lifting and torque rotors, navigational systems, and composite materials help Mi-8 satisfy all modern requirements. The Mil and Kamov center believes the modernization potential of Mi-8 is practically inexhaustible.

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