RO2 Tanks

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Ballistics

The game uses the same form of ballistics calculations for large projectiles as for small arms. This means the game is tracking the actual flight-path downrange.

Armor locations

T-34 consists of 21 plates, plus the driver hatch and gun mantlet. The mantlet and turret are cast steel, while the rest is RHA (rolled homogenous armor). The Soviets tended to use very high hardness steel, which is a good thing against lighter rounds, but lacks ductility and actually makes it more vulnerable against heavier rounds (such as the Panzer IV's 75mm). In addition, there are the turret vision slits as potential targets.

Panzer IV is a more complex shape, totaling 45 plates. The Germans used mostly RHA, with some of the key plates in the 30-50mm range being faced hardened (FHA) to a depth of about 5mm. The intention with FHA was to provide a harder outer face, to defeat smaller projectiles, while the remainder of the plate provided more ductility to defeat larger rounds. Also modeled are areas like the vision slits, with the armored glass behind them.

In game, each plate is modeled in its correct place and angle. Using the ballistics calcs, we can work out the actual velocity and angle the projectile hits the plate at.

Key hit locations

T-34/76

  • Crew - Gunner/Commander, Loader, Driver, Hull gunner
  • Ammo - MG ammo in the back of the turret and beside the hull gunner, while the main gun rounds are stored in the hull floor, with a small number of rounds in clamps on the hull side
  • Fuel - tanks are in the hull sides; diesel fuel, so less prone to fires
  • Engine & transmission - the T-34 has the transmission/gearbox at the rear, as the drive sprocket is at the back of the tank
  • Gunnery & optics


Panzer IV

  • Crew - Commander, Gunner, Loader, Driver, Hull gunner
  • Ammo - MG ammo beside the hull gunner and in the hull behind the loader, main gun rounds stored in multiple bins around the hull, with the largest right behind the driver
  • Fuel - tank is in the hull floor; gasoline
  • Engine & transmission - rear engine, drive shaft down the center of the hull floor, with the transmission front and center, gearing front sides
  • Gunnery & optics

Penetration calculation