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Wider or Longer?

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"Based on results of artillery trials of an IS-122 SPG in the amount of 438 shots (222 supercharged) the Gorohovets ANIOP makes the following conclusions:
  • The 122 mm IS-122 self propelled gun passed proving grounds trials and can be accepted into mass production.
  • The IS-122 has the following advantages over the IS-152 self propelled gun-howitzer, such as:
    • Rate of fire is twice as high.
    • Ammunition capacity is higher (30 rounds instead of 20 like in the IS-152).
    • Muzzle velocity and penetration are higher (by 20%).
    • The maximum range is longer (by 3 km).
    • It is easier for the crew to work, load ammunition, and prepare for battle.
    • Fire at moving targets is more effective."


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