Saturday, 23 May 2015

THE KA-226T MULTI-COMBAT HELICOPTER

 The KA-226T is a light weight , twin engine,multipurpose helicopter.It is offered by Russian helicopters for military  and civilian missions.The military version of  KA-226T is designed for hard -to-reach upland terrains and in extreme hot and cold climates.

The Ka-226T is produced by Kumertau Aviation Production Enterprise ,it is  a part of Russian Helicopters. It is currently in service with the Russian Air Force. KA-226T  performs surveillance, reconnaissance, search and rescue (SAR), targeting, and transportation of cargo and troops.

The KA-226T Approval of acquisition  was granted  by the Indian Ministry of Defence (MoD) in May 2015 to replace the ageing Chetak (Aerospatiale Alouette III) and Cheetah (Aerospatiale SA-315B) helicopters of the Indian Army Aviation Corps (AAC) and the Indian Air Force (IAF), respectively. A expected  joint venture between Hindustan Aeronautics Limited (HAL) and Russian Helicopters is under pipeline  for  the licence-build 200 Ka-226T helicopters for the IAF and the AAC.

The KA-226T ,multi-mission helicopter  Design and features:
An upgraded design of the proven Ka-26 helicopter, the Ka-226T is fitted with a high-visibility nose, a new cabin design and a new rotor system. Its fuselage integrates a four-leg non-retractable landing gear.

The helicopter also features a new transmission system and Kamov coaxial rotor system, including three upper rotor blades and a set of three lower rotor blades. The new rotor system avoids the need for a tail rotor, which ensures landings and take-offs from small sites.

The rotorcraft integrates a new avionics suite with multifunctional displays (MFDs), automatic control system, navigation system and radar. It can be fitted with hoist system, cargo hook, searchlight and additional external fuel tank. It can also be configured with a medical module for search and rescue missions. The module can be quickly installed or removed by just two people.

Fuselage of the Ka-226T has a length of 8.6m, whilst its width is 3.2 and it has a height of 4.1m. The diameter of its main rotor is 13.2m.


Cabin and Cargo Capacities ::
The cabin measures 2.35m-long, 1.34m-wide and 1.4m-high. It offers a volume of 5.4m3 and is fitted with mooring equipment for securing cargo and folding seats for accommodating troops.

A total of 1,200kg of cargo can be transported by the helicopter inside the cabin and it can carry 1,500kg load on external sling. The maximum take-off weight with under-slung load is 3,800kg.


Engines and performance ::
Power for the Ka-226T comes from two Turbomeca Arrius 2G1 engines. Each engine develops a take-off power of 705hp and contingency power of 580hp. The rotorcraft is equipped with engine fire protection system and fire warning system.

The helicopter can fly at a maximum speed of 250km/h and cruise speed of 220km/h. It has a maximum flight range of 600km with main fuel tanks. The operational and hover (OGE) ceilings of the helicopter are 5,700m and 4,100m respectively and the maximum rate of climb is 10m
/s.

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