Small note in the year 1937 some but not all 75mm wz.02/26 and 75mm wz.97 guns were modernised to the Antitank role. 75mm wz.97 with this modification can be recognised by new pneumatics weehels wz.02/26 AT isn't simple to recognition look's like a standart infantery support version. What was made in both guns for adapt to the new role
- Was used special AT amunition for both guns armour-piercing high explosive shells wz.10 (weight 6.4 kg, weight of explosive 90g). Armour penetration about 60mm. So propositioned add AP=8 in ammo
- Both modernized AT type guns has beter optic on the level of 37mm bofors gun so i propositionet for this version FC=3 RF=2 was mounted new sights.
This guns was very effective in AT role for example during fight near Mokra polish used 75mm wz.02/26 AT guns against Pz.I and Pz.II tanks. Tanks hiting by this guns can turn somersaults and fall upside down because power of shot was a very big for this light tank from near distance.
here are a links (in polish but with drawings and pictures)
75mm wz.02/26
http://www.wojsko18-39.internetdsl.p...rmata0226.html
75mm wz.97
http://www.wojsko18-39.internetdsl.p.../armata75.html