Tuesday 2 April 2019

ZIS-S-53 Gunnery Trials

"VII. Trials of armament
Firing the 85 mm mod. 1944 ZIS-S-53 gun

1. Determining accuracy and precision of fire

Accuracy and precision trials were performed using steel HE grenades. Aiming was done with the stock TSh-15 sight.

Ambient temperature: +32 degrees C.
Visibility: good
Range: 1000 meters
Angle of the tank: 0 degrees
Time for firing: unlimited
Fire correction was performed after every shot

Results:
Conditions
Distance to target
Shots fired
Shots hit
Dispersion radius, cm
100
50
Firing from standstill at a vertical target initially.
1000 m
10
10
95
45
After mobility trials and 230 shots
1000 m
10
10
54
36

Photo #42. Diagram of the results of firing the ZIS-S-53 after mobility trials. Range: 1000 meters.

Photo #42. Diagram of the results of firing the ZIS-S-53 after mobility trials and firing 230 shots. Range: 1000 meters.

1 comment:

  1. The fact that the accuracy seems to improve after the trials & 230 shots has been discussed at tank-net.

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