Germany 17cm K18

Showing the details of the shells used(where known)   Tweet Weapon Details 17cm K18 (Field Gun) Manufacturer Krupp Manufactured 1941 - 1945 Calibre 170mm Length L/50 Rate of Fire 1 rpm   17cm Pzgr 43 (AP Armor Piercing) 170mm 71Kg 830M/Sec Quoted Penetration 255mm @ 1000mtr/30° ( ≈ 294mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.12 0.24 0.49 0.99 1.52 2.05 2.61 3.19 Penetration(mm@30°) 294 285 277 265 254 243 232 222 Penetration(mm@0°) 340 330 320 307 294 281 269 257 Hit Probability(%) 98 98 98 98 85 64 41 25 17cm K Gr 38 Hb (HE High Explosive) 170mm 62.8Kg 925M/Sec ≈9.42Kg explosive Maximum Range 18400 Mtr Range(Mtr) 1000 2000 3000 4000 5000 6000 7000 8000 Flight Time(Secs) 1.15 2.45 3.94 5.65 7.66 10.02 12.87 16.34 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.11 0.22 0.44 0.91 1.4 1.91 2.45 3.02 Hit Probability(%) 98 98 98 98 90 69 48 25 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 5 mtr Burst radius Infantry in open 66% kill 11 mtr Burst radius Infantry in open 33% kill 27 mtr  Armour Penetration inc roof at 2 mtr 28 mm An explosion within 5 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 11 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 27 mtr of infantry in the open will cause 33% casualties. The blast effect of this shell exploding within 2 mtr of an armoured vehicle will penetrate 28 mm of the tank armour including the roof. 17cm K Gr 39 (HE High Explosive) 170mm 68Kg 925M/Sec ≈10.2Kg explosive Maximum Range 17000 Mtr Range(Mtr) 1000 2000 3000 4000 5000 6000 7000 8000 Flight Time(Secs) 1.15 2.45 3.94 5.65 7.66 10.02 12.86 16.34 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.11 0.22 0.44 0.91 1.4 1.91 2.45 3.02 Hit Probability(%) 98 98 98 98 90 69 48 25 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 5 mtr Burst radius Infantry in open 66% kill 11 mtr Burst radius Infantry in open 33% kill 27 mtr  Armour Penetration inc roof at 2 mtr 30 mm An explosion within 5 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 11 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 27 mtr of infantry in the open will cause 33% casualties. The blast effect of this shell exploding within 2 mtr of an armoured vehicle will penetrate 30 mm of the tank armour including the roof.

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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