Wednesday 18 January 2017

180 mm Br-21

"To the People's Commissar of Armament of the USSR, comrade B.L. Vannikov

Reply to letter #125s from January 21st, 1941

The precision trials of the 152 mm Br-19 gun with a friction clutch in the elevation mechanism are scheduled for April of 1941, after which the decision regarding this system will be made.

The 180 mm Br-21 gun was trialed at the ANIOP with 120 shots.

The tactical-technical characteristics of the 180 mm Br-21 gun on the B-4 mount make for a weapon that has insufficient range for a gun and insufficient arc for a howitzer. The objectives that could be given to a 180 mm gun can be resolved by the B-4 or Br-2.

Based on the above information and the availability of a more powerful 210 mm Br-17 gun, the adoption of the 180 mm Br-21 gun on the B-4 mount and, therefore, the continuation of work on it, is unreasonable.

Marshall of the Soviet Union, Kulik."

There is also a note written across the typed page:

"The range is the same as the Br-2 while using twice as much propellant. Did you think about this? You approach the solution of problems formally, but fail to analyze all sides, and sometimes don't know what you're doing and confuse others. Gather all documents regarding trials and report to me. 26.2.41", followed by a signature but no name.

CAMD RF 81-12104-86

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