Britain
Sexton 25pdr (Sexton)

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The Sexton 25pdr based on the existing SP Gun and was in use from 1943.

General Details Specifications Operational Date(s) 1943 Ordnance classification Quantity Produced 0 Weight unknown Crew 6 M.G's small n/a M.G's large(>10mm) n/a Length 6.18 mtr Width 2.74 mtr Height 2.46 mtr Engine Details/Performance Max Road Speed 24 mph Max Cross Country Speed unknown Range Road 0 miles Range Cross Country unknown Fuel Type Unknown Fuel Capacity unknown Horse Power 0 hp Power/Weight unknown General Information The Sexton 25pdr based on the existing SP Gun and was in use from 1943. Its main armament consisted of an Ordnance Q.F. 25pdr Mk 2 which could penetrate 110 mm of flat plate at 800 metres Armour Details Turret Front n/a Side n/a Rear n/a Top n/a Superstructure Front 65mm @ 45° (92mm) Side 50mm @ 0° (50mm) Rear 38mm @ 0° (38mm) Top 19mm @ 90° (19mm) Hull Front 40mm @ 45° (57mm) Side 40mm @ 0° (40mm) Rear 38mm @ 0° (38mm) Top 14mm @ 90° (14mm) Armour (x)mm @ (y)° (Effective mm @ 0°) Effective Armour - Maximum 92 mm - Minimum 14 mm

Weapon Details Ordnance Q.F. 25pdr Mk 2 (Field Gun) Manufactured 1940 - 2018 Calibre 87mm Length L/27 Rate of Fire 8 rpm   Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content 25pdr AP (AP Armor Piercing) 87mm 11.3Kg 518M/Sec Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.2 0.4 0.81 1.7 2.69 3.79 5.01 6.4 Penetration(mm@30°) 122 115 106 95 84 75 65 57 Penetration(mm@0°) 142 133 123 110 98 87 76 66 Hit Probability(%) 98 98 98 81 41 22 6 3 25pdr Supercharge (AP Armor Piercing) 87mm 11.3Kg 564M/Sec Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.18 0.36 0.74 1.56 2.47 3.48 4.6 5.88 Penetration(mm@30°) 133 125 116 103 92 81 71 62 Penetration(mm@0°) 154 145 134 120 107 94 83 72 Hit Probability(%) 98 98 98 85 48 25 8 3 25pdr HE (HE High Explosive) 87mm 11.5Kg 532M/Sec 0.793Kg explosive Maximum Range 8000 Mtr Range(Mtr) 1000 2000 3000 4000 5000 6000 7000 8000 Flight Time(Secs) 2.12 4.87 8.58 13.84 21.9 35.81 65.5 173.58 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.19 0.38 0.79 1.65 2.61 3.68 4.87 6.21 Hit Probability(%) 98 98 98 81 41 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 2 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 2 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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