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Ordnance Q.F. 25pdr Short Mk 1

Showing the details of the shells used(where known)
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Weapon Details
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Ordnance Q.F. 25pdr Short Mk 1
(Field Gun)
Blank
Manufactured1944 - unknown
Calibre87mm
LengthL/14
 
25pdr AP
(AP Armor Piercing)
87mm 11.3Kg 518M/Sec
Range(Mtr)1002004008001200160020002400
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 HE
(HE High Explosive)
87mm 11.5Kg 532M/Sec 0.793Kg explosive
Maximum Range 8000 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 2.12 4.87 8.58 13.84 21.9 35.81 65.5 173.58
Direct Fire
Range(Mtr)1002004008001200160020002400
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% kill2 mtr Burst radius Infantry in open 66% kill5 mtr
Burst radius Infantry in open 33% kill13 mtr  Armour Penetration inc roof at 1 mtr2 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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