A joint project by Škoda and ČKD. Discussions to determine the tank’s characteristics started on January 14, 1950, but the project was discontinued on March 4, 1950 by the Czechoslovakian Ministry of Defense. No prototypes were manufactured. Existed only in blueprints.
Time for the successive autoreloading of each shell into the magazine.
Characteristics are specified for Siege mode.
Characteristics are specified for Rapid mode.
Reload time of the first and second guns on double-barreled vehicles.
Characteristics are specified for vehicles with crews trained to 100%.