Germany - 15cm sIG 33 L/11 15cm schwere Infanteriegeschutz 33 L/11 (translates as Heavy Artillery)

Showing the details of the shells used(where known)   Weapon Details 15cm sIG 33 L/11 15cm schwere Infanteriegeschutz 33 L/11 (translates as Heavy Artillery) History Standard German army heavy infantry gun originally issued in 1927 was still being produced at the end or the war. This gun was also mounted on a number of motorised chassis such as the 15cm s.I.G 33 Gw II(A,B,C,F). Manufacturer Rheinmetal Manufactured 1927 - 1945 Calibre 150mm Length L/11 Rate of Fire 3rpm   15cm I Gr 33(HE) 150mm 38Kg 240M/Sec 8.300Kg explosive Maximum Range 4700 Mtr Range(Mtr) 1000 2000 3000 4000 5000 6000 7000 8000 Flight Time(Secs) 4.46 9.62 15.63 22.73 31.25 Burst radius Infantry in open 99% kill 6 mtr Burst radius Infantry in open 66% kill 12 mtr Burst radius Infantry in open 33% kill 30 mtr  Armour Penetration inc roof at 2 mtr 24 mm An explosion within 6 mtr of infantry in the open will cause 99% casualties - lethal. An explosion within 12 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 30 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 24 mm of the tank armour including the roof. 15cm I Gr 39 Hl/A(HEAT) 150mm 25Kg 240M/Sec Quoted Penetration 160mm @ 500mtr/0° ( ≈ 160mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.42 0.84 1.71 3.52 Penetration(mm@30°) 160 160 160 160 Penetration(mm@0°) 160 160 160 160 Hit Probability(%) 98 98 77 22 Vehicles in our database using this gun Vehicle Name Common Name   15cm sIG 33 Gw II(A,B,C,F)     15cm sIG 33 Gw II(A,B,C,F) (long chassis)     15cm sIG Gw 38(t) Grille     15cm sIG Gw 38(t) front engine     PzKpfw I Ausf B 15cm sIG33(Sf) Panzer I     StuG III 15 cm Stu.I.G. L/11 Stug III

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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