IS-3A

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IS-3A
In 1956–1957, the Military Armored Forces Academy developed a speculative design for a new loading system on the IS-3 and T-10 heavy tanks. The IS-3 variant featured a double-row ammo rack with an automatic loading system. The crew was reduced to three members: commander, gunner, and driver. The turret was redesigned in order to accommodate the loading mechanism. The vehicle existed only in blueprints.

122 mm D-25TA

IS-3A

10RK-26

V-11-IS-3

IS-3A

Shell Types:

APCR
HEAT
HE

Equipment:

Consumables:

Firepower:

Ammunition28 (rounds)
Caliber122 (mm)
Damage390 / 390 / 530 (HP)
Penetration221 / 270 / 61 (mm)
Rate of Fire10.59 (rounds/min)
Average Damage per Minute4129 (HP)
Shells in the Magazine3 
Time for Loading Between Shots3.00 (s)
Time for Complete Loading11.00 (s)
Gun Loading  (s)
Aiming Time3.00 (s)
Dispersion at 100 m0.46 (m)

Mobility:

Weight/Load Limit49.00 / 53.56 (t)
Engine Power520 (h.p.)
Specific Power10.61 (h.p./t)
Top Speed40 (km/h)
Reverse Speed15 (km/h)
Traverse Speed26 (deg/s)
Turret Traverse Speed22 (deg/s)

Survivability:

Hit Points1550 (HP)
Hull Armor110 / 90 / 60 (mm)
Turret Armor249 / 172 / 100 (mm)

Spotting:

View Range350 (m)
Signal Range720 (m)
 

Crew:

Commander(Radio Operator)
Gunner(Loader)
Driver