France 37 mm SA M1918 L/21 Puteaux

Showing the details of the shells used(where known)   Tweet Weapon Details 37 mm SA M1918 L/21 Puteaux (Tank Gun) Calibre 37mm Length L/21   Puteaux AP (AP Armor Piercing) 37mm 0.56Kg 388M/Sec Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.27 0.55 1.16 2.64 4.6 7.28 11.31 Penetration(mm@30°) 17 15 12 10 8 6 4 Penetration(mm@0°) 20 18 15 12 10 7 5 Hit Probability(%) 98 98 96 41 8 2 0 37mm Mle1892 (HE High Explosive) 37mm 0.56Kg 388M/Sec 0.015Kg explosive Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.27 0.55 1.16 2.64 4.6 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.27 0.55 1.16 2.64 4.6 7.28 11.31 17.68 Hit Probability(%) 98 98 96 41 8 2 0 0 Blast/Fragmentation Effects Burst radius Infantry in open 99% kill 0 mtr Burst radius Infantry in open 66% kill 0 mtr Burst radius Infantry in open 33% kill 1 mtr  Armour Penetration inc roof at 1 mtr 0 mm An explosion within 0 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's. An explosion within 1 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. Vehicles in our database using this gun Vehicle Name Common Name   Char Leger FCM-36     Char Leger H-35 Hotchkiss                             Ursus Wz 29 Armoured Car     AMD 165 Panhard     Char Leger H-38 Hotchkiss     Renault FT 17 Char Canon

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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