Britain Ordnance Q.F. 17pdr

Showing the details of the shells used(where known)   Tweet Weapon Details Ordnance Q.F. 17pdr (Anti Tank Gun) Manufactured 1942 - unknown Calibre 76.20mm Length L/55   17pdr MkI - MkIII (AP Armor Piercing) 76.20mm 7.65Kg 950M/Sec Quoted Penetration 130mm@915m Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.11 0.22 0.44 0.94 1.5 2.13 2.85 3.69 Penetration(mm@30°) 174 161 147 129 113 97 84 71 Penetration(mm@0°) 201 186 170 150 131 113 97 82 Hit Probability(%) 98 98 98 98 88 60 34 22 17pdr HE/Red (HE High Explosive) 76.20mm 6.1Kg 550M/Sec 0.480Kg explosive Maximum Range not shown as gun elevation is limited Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.18 0.37 0.77 1.63 2.59 3.68 4.93 6.37 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.18 0.37 0.77 1.63 2.59 3.68 4.93 6.37 Hit Probability(%) 98 98 98 81 44 22 8 3 Blast/Fragmentation Effects 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 1 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 penetrate 1 mm of the tank armour including the roof. Vehicles in our database using this gun Vehicle Name Common Name   Cruiser MK VIII Challenger A30     Gun Self-Propelled 17pdr Archer     Gun Self-Propelled 17pdr A-30 Avenger     Sherman 17 pdr gun Firefly VC     Antitank SP17pdr M10 Achilles

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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