Germany 3.7cm Pak 35/36 auf Zugkraftwagen 1t Ordnance classification - Sdkfz 10

General Details Specifications Operational Date(s) 1940 - 1945 Ordnance classification Sdkfz 10 Quantity Produced 54 Weight unknown Crew 7 M.G's small n/a M.G's large(>10mm) n/a Length 4.75 mtr Width 1.93 mtr Height 2.00 mtr Engine Details/Performance Max Road Speed 41 mph Max Cross Country Speed unknown Range Road 188 miles Range Cross Country unknown Fuel Type Petrol Fuel Capacity unknown Horse Power 100 hp Power/Weight unknown General Information Armour Details Turret Front n/a Side n/a Rear n/a Top n/a Superstructure Front n/a Side n/a Rear n/a Top n/a Hull Front n/a Side n/a Rear n/a Top n/a Armour (x)mm @ (y)° (Effective mm @ 0°) Weapon Details 3.7cm PaK 35/36 L/45 3.7cm Panzerabwehrkanone 35/36 L/45 (translates as Anti Tank Gun) History The standard German anti tank gun at the start of the war, had been tested in the Spanish Civil War, and numbers sold to Russia before 1940 Manufacturer Rheinmetal Manufactured 1935 - 1942 Calibre 37mm Length L/45 Rate of Fire 13 rpm   Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content 3.7cm Pzgr Patr 18(AP) 37mm 0.68Kg 762M/Sec Quoted Penetration 31mm @ 500mtr/30° ( ≈ 35mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.28 0.59 1.34 2.33 3.7 5.71 8.97 Penetration(mm@30°) 41 38 32 25 20 15 11 6 Penetration(mm@0°) 48 44 38 30 24 18 13 8 Hit Probability(%) 98 98 98 90 54 22 3 1 3.7cm Pzgr 40(AP40) 37mm 0.35Kg 1030M/Sec Quoted Penetration 68mm @ 100mtr/30° ( ≈ 78mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.1 0.21 0.46 1.14 2.25 4.34 9.72 Penetration(mm@30°) 68 60 51 38 26 16 7 Penetration(mm@0°) 79 70 59 44 31 19 9 Hit Probability(%) 98 98 98 96 57 15 1 3.7cm Sprgr Patr 18(HE) 37mm 0.64Kg 820M/Sec ≈0.095Kg explosive Maximum Range 6000 Mtr Range(Mtr) 1000 2000 3000 4000 5000 6000 7000 8000 Flight Time(Secs) 1.68 5.31 19.44 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 13 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 13 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. 3.7cm Stielgrante 41(HEAT) 37mm 8.6Kg 110M/Sec Quoted Penetration 180mm @ 0mtr/0° ( ≈ 180mm/0°) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.93 1.92 4.08 Penetration(mm@30°) 180 180 180 Penetration(mm@0°) 180 180 180 Hit Probability(%) 98 69 15

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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