Gökdeniz and Thunderbolt are not in the same class. Thunderbolt fires 600 rounds per minute and has a range of 12.5 km. Gökdeniz, on the other hand, can fire 1100 rounds per minute and has a range of 4 km.
Very important point being touched there.
Both guns are twin barrelled having 2800mm length.
Where as Gokdeniz has 35mm barrel diameter and uses Aselsan’s ATOM shells, Thunderbolt has 40mm barrel diameter and uses standard artillery shells.
Thunderbolt has a maximum
ballistic range of 12500 metres. It is designed to hit landing beaches or other ships at that maximum distance. It’s 40mm shell is heavier and larger and can pack in more kinetic energy, hence more speed and range when fired. Thunderbolt would be the ideal companion of Denizhan to complement it on our ships.
Gokdeniz, if used in the same manner as Thunderbolt, may have had an effective range of approximately 8000m. But it is designed and optimised to hit with it’s smaller diameter barrel as a
Close-In Weapon System, strictly where it can
reliably track, lock onto, and destroy high-speed, sea-skimming anti-ship missiles and alike at an effective 4000 metre range. For that it has twice the firing rate of the Thunderbolt.