Developed from 1943 through 1945 on the basis of the Churchill tank. It featured a wider and elongated hull to carry the upgraded turret with a 17-pounder gun. A total of six Black Prince prototypes were produced from 1944 through 1945. A few vehicles underwent trials but never saw action.
Time for the successive autoreloading of each shell into the magazine.
The improved system allows the time to be decreased for autoreloading the next shell upon firing the loaded shell when the corresponding indicator is displayed
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%.