
UdarniyIn June 1945, the Design Bureau of Factory No. 100 started designing the second tank designated IS-7. Compared to the preliminary variant—the Object 257—armoring and mobility requirements increased. In September 1945, four draft designs were developed for the tank. The Udarniy was a project with enhanced armor, the KCh-30 engine, and an electromechanical transmission.
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688
1010
1315
1570














Expected
frags:
0.89
Expected
spot
1.15
Expected
defense points
0.37
Expected
winrate
53.65%












Tier VII field modification
available for tier IX-X tanks
Tier VIII field modification
available for tier X tanks
+3% to vehicle hit points
+7% to maintaining speed when crossing all terrain types
-5% to hull traverse speed
-10% to suspension durability
-3% to the aiming circle size
-5% to aiming speed
+3% to view range
+15% to additional stun duration
+10% to stun duration