BT-7 artillery

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BT-7 art.
In 1934–1935 the design bureau of the Kharkov Locomotive Factory developed this artillery modification of the BT-7. The new elliptical turret was equipped with the 76.2-mm KT-28 gun. In addition, some vehicles received new radio stations. A total of 155 artillery BT-7s were manufactured. The vehicles saw combat on the Karelian Isthmus, in Manchuria, and during the first period of the Great Patriotic War.

76 mm KT-28

BT-7 art.

71-TK-3

M-17T

BT-7 art.

Shell Types:

HE
AP

Equipment:

Consumables:

Firepower:

Ammunition70 (rounds)
Caliber76 (mm)
Damage164 / 110 (HP)
Penetration38 / 37 (mm)
Rate of Fire12.50 (rounds/min)
Average Damage per Minute2050 (HP)
Shells in the Magazine  
Time for Loading Between Shots  (s)
Time for Complete Loading  (s)
Gun Loading4.80 (s)
Aiming Time2.40 (s)
Dispersion at 100 m0.60 (m)

Mobility:

Weight/Load Limit13.50 / 14.80 (t)
Engine Power500 (h.p.)
Specific Power37.04 (h.p./t)
Top Speed51.6 (km/h)
Reverse Speed20 (km/h)
Traverse Speed46 (deg/s)
Turret Traverse Speed40 (deg/s)

Survivability:

Hit Points390 (HP)
Hull Armor20 / 19 / 13 (mm)
Turret Armor15 / 15 / 13 (mm)

Spotting:

View Range290 (m)
Signal Range300 (m)
 

Crew:

Commander(Radio Operator)
Driver
Gunner(Loader)