Germany 4.2cm Le. Pak 41 4.2cm Le. Panzerabwehrkanone 41 (translates as Anti Tank Gun)

Showing the details of the shells used(where known)   Tweet Weapon Details 4.2cm Le. Pak 41 4.2cm Le. Panzerabwehrkanone 41 (translates as Anti Tank Gun) History This was another of the squeeze bore Anti Tank guns with powerful performance, but became obsolete when the Tungsten supplies ran short in 1942. It was mounted on the same carriage as the 3.7cm Pak 35/36. Manufactured 1941 - 1942 Calibre 42mm Length L/50 Rate of Fire 12 rpm   4.2cm Pzgr Patr 41 (AP40 Armour Piercing Tungsten Cored) 42mm 0.34Kg 1265M/Sec Quoted Penetration 72mm @ 500mtr/30° ( ≈ 83mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.08 0.17 0.38 0.97 1.99 4.18 12.14 Penetration(mm@30°) 96 85 71 51 34 19 7 Penetration(mm@0°) 111 99 83 60 40 23 9 Hit Probability(%) 98 98 98 98 69 15 0 4.2cm Sprgr Patr 41 (HE High Explosive) 42mm 0.28Kg 1265M/Sec ≈0.042Kg explosive Maximum Range not shown as gun elevation is limited Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.08 0.17 0.38 0.97 1.99 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.08 0.17 0.38 0.97 1.99 4.19 12.17 Hit Probability(%) 98 98 98 98 69 15 0 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 2 mtr Burst radius Infantry in open 66% kill 5 mtr Burst radius Infantry in open 33% kill 14 mtr  Armour Penetration inc roof at 1 mtr 0 mm An explosion within 2 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 5 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 14 mtr of infantry in the open will cause 33% casualties. The blast effect of this shell exploding within 1 mtr of an armoured vehicle will not cause any significant armour damage.

Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.

The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive and numerous books and websites that have provided the detailed information that has not been available anywhere else. The information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre, the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.

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