V-8-H was a further development of the PS-II-b medium tank and the P-II-b light infantry tank. The vehicle underwent trials from the summer of 1937 through the spring of 1938. In the fall of 1938, additional trials were held. After all faults were removed, the tank saw service under the designation ST vz.39. The vehicle never entered 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%.