Sources Comparative evaluation of the 20mm developmental ammunition - exterior ballistics Graphical Trajectory Compendium of Caliber. Exterior ballistics of the 20mm rounds of the М61, М197, and М39А1 cannons have been adjusted.Exterior ballistics of the 20mm rounds of the Oerlikon cannon have been adjusted.

Exterior ballistics of the 20mm rounds of the TNSh and ShVAK cannons have been adjusted.

Source: Handbuch Der Flugzeug Bordwaffenmunition 1936-1945

Exterior ballistics of the 15mm rounds of the MG151 cannon have been adjusted.

Exterior ballistics of the 14,5mm rounds of the KPVT machine gun have been adjusted.

Exterior ballistics of the 13mm rounds of the MG131 machine gun have been adjusted.

Velocity loss on the trajectory of the 12,7mm machine gun rounds have been adjusted.

Velocity loss on the trajectory of the 7,62mm machine gun rounds have been adjusted.

Velocity loss on the trajectory has been increased, flatness reduced, armour penetration over distance reduced as well.

Some inscriptions might decrease in size, making them less blurry and noisy.Įxterior ballistics changes of machine-guns and low-calibre cannons for ground vehicles and aviation. The resolution of decals containing inscriptions has been unified.

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