The vehicle was conceived as a breakthrough tank. The design project was prepared on May 29, 1943. No prototypes were built, because Nuffield proposed other projects that eventually saw the development of the A39 Tortoise.
Time for the successive autoreloading of each shell into the magazine.
Characteristics are specified for Siege mode.
The technical characteristics are displayed for the charged turbine 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%.