A-20
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A-20
Development of the A-20 tank started at Kharkov Factory No. 138 in December 1937. The project was a further development of the BT-7 tank and became a predecessor of the legendary T-34. Work on the vehicle was led by Mikhail Koshkin. On May 18, 1938, technical characteristics of the tank designated BT-20 were approved. Only a few experimental prototypes, with a wheeled caterpillar suspension, were built for training purposes.


45 mm 20K (A-20)


12LL


V-2 (A-20)


V-2-34 (A-20)


A-20 mod. 1938


A-20 mod. 1940
Shell Types:

AP

APCR

HE

AP

APCR

HE
Equipment:















Consumables:















Firepower: | |||||||||
Ammunition | 160 (rounds) | ||||||||
Caliber | 45 (mm) | ||||||||
Damage | 60 / 60 / 75 (HP) | ||||||||
Penetration | 93 / 129 / 23 (mm) | ||||||||
Rate of Fire | 31.58 (rounds/min) | ||||||||
Average Damage per Minute | 1895 (HP) | ||||||||
Shells in the Magazine | |||||||||
Time for Loading Between Shots | (s) | ||||||||
Time for Complete Loading | (s) | ||||||||
Gun Loading | 1.90 (s) | ||||||||
Aiming Time | 1.70 (s) | ||||||||
Dispersion at 100 m | 0.39 (m) | ||||||||
Mobility: | |||||||||
Weight | 17.56 (t) | ||||||||
Engine Power | 520 (h.p.) | ||||||||
Specific Power | 29.61 (h.p./t) | ||||||||
Top Speed | 72 (km/h) | ||||||||
Reverse Speed | 23 (km/h) | ||||||||
Traverse Speed | 44 (deg/s) | ||||||||
Turret Traverse Speed | 45 (deg/s) | ||||||||
Survivability: | |||||||||
Hit Points | 590 (HP) | ||||||||
Hull Armor | 20 / 20 / 16 (mm) | ||||||||
Turret Armor | 25 / 25 / 25 (mm) | ||||||||
Spotting: | |||||||||
View Range | 350 (m) | ||||||||
Signal Range | 615 (m) | ||||||||
Crew: | |||||||||
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