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.

Via Andrei_bt.