In 1947, the SPG development program was approved by the British government. Several variants based on the Centurion were proposed. One of them featured a 140-mm howitzer. Two prototypes were built in 1957. In 1960, development of the SPG was discontinued. The vehicle never saw service.
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%.