Designation:

SK 105/A1

Info
Manufacturer: General Dynamics European Land Systems-Steyr GmbH  
Product type: Armoured Vehicles  
Name: Light tank  

The SK 105/A1 is a further development of the SK 105 but differs in modifications of the power train and the fire-control equipment.

The manual shift gear is replaced by a ZF 6 HP 600 automatic six-speed transmission with torque converter and lock-up clutch.

The fire-control equipment consists of an electronic fire-control system including a digital fire-control computer and the respective observation and sighting system. The fire-control system enables the gunner of the SK 105/A1 to independently observe, range and hit the target by an automated simple firing process. The system allows for immediate growth capabilities, such as introducing and storing parameters for additional types of ammunition.

The major components are: 'digital fire-control computer unit including commander's operating panel and cant angle sensor, single reticle gunner's sight including laser range-finder, day elbow with magnification x8, passive night elbow with magnification x7.2 and interchangeable with a daylight unity prism, moving-view rotating wedges module in elevation and deflection and periscopic mirror head and gunner's control unit. In order to compute the compensation angle in elevation and deflection, the computer is fed with data from several sources, according to the type of firing: range data from the laser range-finder, side cant of the tank from the built-in cant angle sensor, target velocity from angular velocity and displacement sensor for tracking moving targets. The computer enables automatic computed firing corrections for firing in conformance with the type of ammunition and target range, in order to improve second hit probability.

The commander is provided with a passive night sight, interchangeable with the day sight.

As of 1999 this remained at the prototype stage.

Specifications:
Property Value
Crew
3
Weight (kg)
17700
Power-to-weight ratio (h.p./t)
18.1
Ground pressure (kg/sm2)
0.67
Length (mm)
7735
Width (mm)
2500
Height (mm)
2529
Ground clearance (mm)
400
Track (mm)
2120
Track link width (mm)
380
Length of track on ground (mm)
3037
Max. road speed (km/h)
70
Fuel capacity (l)
420
Max. road range (km)
500
Fording depth (mm)
1000
Gradient (%)
75
Side slope (%)
40
Vertical obstacle (mm)
800
Trench (mm)
2410
Main weapon caliber (mm)
105
Auxiliary gun calibre (mm)
7.62
AA gun caliber (mm)
7.62
Number of smoke grenade launchers
6
Ammunition of the main gun
42
Ammunition of the auxiliary gun
2000
Traverse arc (degree)
360
Elevation (degree)
12
Depression (degree)
-8
Engine power output (h.p.)
320


Has folowing part:
Total Amount
6HP 600 (Transmission)
1
7FA (Diesel engine)
1
CN105G1 (Gun)
1


   
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