Germany 2.0cm Flak 29 Oerlikon L/85 2.0cm Flugabwehrkanone 29 Oerlikon L/85 (translates as Anti Aircraft Gun)

Showing the details of the shells used(where known)   Tweet Weapon Details 2.0cm Flak 29 Oerlikon L/85 2.0cm Flugabwehrkanone 29 Oerlikon L/85 (translates as Anti Aircraft Gun) Manufactured 1935 - 1945 Calibre 20mm Length L/85 Rate of Fire 500rpm   20x110RB (HE High Explosive) 20mm 0.123Kg 830M/Sec ≈0.018Kg explosive Maximum Range 1500 Mtr Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.61 1.61 3.69 9.84 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.61 1.61 3.69 9.84 Hit Probability(%) 98 98 98 81 22 1 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 1 mtr Burst radius Infantry in open 66% kill 2 mtr Burst radius Infantry in open 33% kill 7 mtr  Armour Penetration inc roof at 1 mtr 0 mm An explosion within 1 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 2 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 7 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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