| Characteristics |
Serial tank T-72 |
Upgraded tank T-72 |
|
Day/night sight |
TKH-3 sighting device |
VS 580 panoramic sight |
|
Target detection range (m): |
|
in the day-time |
400 |
5000 |
|
at night |
2000 |
3000 |
|
Stabilization of the field of view |
no |
2-axis stabilization |
|
Magnification |
x6 |
x3.5 ; x10.5 |
| Day anti-aircraft sight |
no |
VS 580 |
|
Target detection range (m) |
- |
2000 |
|
Line-of-sight depression/elevation
(degrees) |
- |
-5... +60 |
|
Anti-aircraft machine gun |
|
Calibre (mm) |
12.7 |
12.7 |
|
Ammunition (number of maga
zines number of rounds in each) |
5x60 |
3x150 |
|
Depression/elevation (degrees) |
-5 to +70 |
-5... +60 |
|
Aiming mode |
manual |
automatic |
|
Speeds of aiming in vertical andhorizontal planes (deg/sec) |
- |
0.1...35 |
|
Fire on the move through theday/night sight (m) |
no |
yes (at a distance of up to 2000 m) |
| Characteristics |
Serial tank T-72 |
Upgraded tank T-72 |
|
Day channel |
TPD-K1 |
SAVAN 15 |
|
target detection range (m) |
4000 |
5000 |
|
magnification |
x8 |
x2.5 ; x10 |
|
Thermal channel |
no |
SAVAN 15 |
|
target detection range (m) |
- |
3000 |
|
magnification |
- |
x 6.5;x13 |
|
field of view: |
|
|
|
wide |
- |
20 x1.33° |
|
narrow |
- |
50 x3.33° |
|
Stabilization of the field of view |
vertical stabilization |
2-axis stabilization |
|
Error of stabilization of the line of sight (mrad) |
< 0.5 |
0.1 |
|
Error of angle transmission from the gun to the sight (angular minutes) |
< 0.5 |
1.5 |
|
Error of angle transmission from the gun to the sight (angular minutes) |
<16 |
<6 |
|
Built-in test equipment (BITE) |
No |
yes, semi-automatic |
|
Accuracy of gun stabilization in elevation (mrad) |
0.8 |
0.4 |
|
Accuracy of gun stabilization in azimuth (mrad) |
1.2 |
0.6 |
|
Ballistic computer |
|
Input of the angle of sight |
semi-automatic |
automatic |
|
Input of the lateral lead angle |
manual |
automatic |
|
Taking into account the parallax for the gun and machine gun |
no |
automatic |
|
Calculation of angles of sight and lead angles for the coaxial machine gun |
no |
automatic, with allowance for cross wind |
|
Fire-gating |
no |
it is provided by the computer with
possibility of adjusting it |
|
Allowance for the deviation of the current conditions of firing from
normal |
it is provided with the help of mechani-cal contacts |
it he following factors are taken in account: cross wind, cant, angular and linear velosities of target, target position angle, air temperature, air pressure, charge temperature, gun bore wear |
|
Allowance for individual
angles
of jump |
no |
yes |
|
Target hit probability when firing at a TANK-type target at a distance of 2000 m |
0.2 |
0.9 |
| Fire control override system |
no |
yes; the commander is provided with capability of firing the main gun and coaxial machine gun on the move in the day-time and at night, even if the gunner's main sight is faulty |
|
Automated hydropneumatic cleaning of glasses of the sights and observation devices |
cleaning the main sight is envisaged, the proportioning being performed manually |
possibility of cleaning all the sights (including those of the commander) is envisaged, the proportioning being performed automatically by means of a timer (0.2 s) |
