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-   -   K1a1 main battle tank (https://www.albasalh.com/vb/showthread.php?t=1777)

19-08-09 04:08 AM

K1a1 main battle tank
Rotem (part of the Hyundai group) has developed the K1 series of vehicles, which includes the K1A1 120mm main battle tank, the K1105 mm main battle tank, K1 ARV armoured recovery vehicle, and the K1 AVLB armoured vehicle launch bridge. The vehicles are built at Rotems automated production facility at ChangWon.
The first two prototypes of the K1A1 successfully completed operational tests in 1997 and the tank is in production and in service with Republic of Korea Army. Total requirement is for about 300 K1A1 tanks, scheduled to be in service by 2010.
Rotem is developing the successor to the K1A1, the K2 Panther, which is armed with a 120mm/L/55 smoothbore gun with automatic loader and has uprated engine and improved armour. Three pre-production tanks have been completed. It is planned that about 680 K2 tanks will be produced from 2011.
The K1A1 is an upgraded version of the K1 MBT. Its firing range is enhanced by a 120mm M256 smoothbore gun, together with an improved gun and turret drive system. The M256 gun is also installed on the US M1A1/2 main battle tanks. A new ballistic computer for 120mm munitions has higher processing capacity and speed.
Samsung Electronics, now Samsung Thales, are providing the fire control system including the Korean Commanders Panoramic Sight (KCPS) which includes a thermal imager with 2884 focal plane array, KGPS gunners sight with thermal imager, eyesafe laser rangefinder and dual field of view day TV camera and KBCS ballistic fire control computer.
The race ring turret bearing provides improved sealing for fording and turret slewing characteristics. The fire suppression system has been equipped with a thermal wire fire sensor in the engine bay.
The K1 has been operational in the RoK Army since 1986 and is known as the Republic of Korea Indigenous Tank or ROKIT. Following early design work based on US M1 technology, the K1 tank was designed and produced by Korea. The manoeuvrability of the tank is optimised for the varied geographical features of Korea, which include mountainous terrain, jungle, paddy fields and swamp.
The main gun is a 105mm rifled high-velocity cannon with a coaxial 7.62mm machine gun. The commanders station is equipped with a 50-calibre machine gun and the loaders station with a 7.62mm machine gun. The turret slews at 750mm a second and elevates and depresses at 400mm a second.
The commanders panoramic sight has three modes of operation: align with the main armament, independent tracking and gunner override. The commander has the option of handing off the target to the gunner or of slaving the gun to the commanders sight and initiating the fire. The K1 has demonstrated a first round hit probability of greater than 90% when firing on the move at a moving target.


The Raytheon Gunners Primary Sight Subsystem (GPSS) is stabilised in two axes and includes a thermal imager and laser rangefinder. The gunners ballistic computer automatically downloads crosswind data, vehicle cant, azimuth tracking rate and range. The gunner manually inputs data for air pressure, air temperature, barrel wear, barrel droop and ammunition type.

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