In the mid-50s, Batignolles-Châtillon developed an original design of the heavy SPG that featured some elements of the U.S. M47 chassis. The vehicle was equipped with a 155 mm howitzer installed into the rotating turret. At least one prototype was built. Never saw mass production.
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%.