Friday 2 July 2021

Supercharged KV

"State Committee of Defense decree #1221ss
January 30th, 1942

On improving mobility of KV tanks

To improve mobility of KV tanks, the State Committee of Defense decrees that:
  1. The People's Commissar of Tank Production (comrade Malyshev) and director of the Kirov factory comrade Zaltsman must:
    1. Improve the KV tank's draught pull by 20-25% by means of:
      1. Increasing the engine power of the V-2K diesel engine from 600 to 650 hp.
      2. Changing the gear ratio of the final drive.
      3. Changing the number of teeth on the drive sprocket.
    2. Begin production of such tanks as of February 15th of this year.
  2. The People's Commissariat of Tank Production (Kirov factory) is permitted to produce two experimental KV tanks with new 8-speed gearboxes and a diesel engine supercharged to 700 hp.
    Trials of the tank are to be conducted jointly with the GABTU and a report on the rationality of producing KV tanks with a new gearbox is to be sent to the GKO by March 25th.
[handwritten] "Approved - I. Stalin
Copies to: Malyshev, Zaltsman, Fedorenko, Malenkov"

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