Two prototypes of the STB-1 tank were built for testing in September 1969. In 1970, these prototypes were shown to journalists and participated in a military parade
Carro costruito in due prototipi nel 1969. I due STB-1 vennero poi mostrati ai giornalisti ed esposti durante una parata militare nel 1970.
Suggested changes:
Tier: MT-10, Japan, standard
HP: 1,950 2,000
Engine power:750 hp 950 hp
Power per ton:20.05 hp / t 25.40 KM / t
Maximum speed / Reverse speed:53 / -20 km / h 48 / -25 km / h
Rotation speed:52 ° / s 55 ° / s
Turret rotation speed:43.80 ° / sec 48 ° / s
Range of view:410 m 400 m.
Cannon: 105 mm Rifled Gun
damage: 390/390/480 360/360/440
Penetration: 258/330/53 Rate of fire:7.821 8.571
Average damage per minute:3,050.4 3,105.7
Reload time: 7.671 sec 7.0 s
Spread over 100 m: 0.345 0.355
Targeting time: 2.21 sec 1.92 s
Depression / Elevation: -10 ° / +13 ° -6 ° / +9 ° (-12 ° / +15 °) *With active hydropneumatic suspension.
- Standard shell speed decreased from 1 478 to 1 050 m / s;
- The premium shell speed decreased from 1 173 to 1 050 m / s;
Scattering of the Sight:
- while the vehicle is moving:
0.1530.086 ; - during the rotation of the vehicle:
0.1530.086 ; - during the turret rotation at maximum speed:
5.646.18 ; - at the maximum vehicle speed:
8.134.14 ; - at the maximum vehicle rotation speed:
7.984.75 .
source – rykoszet.info