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Britain
Ordnance Q.F. 2pdr

Showing the details of the shells used(where known)
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Weapon Details
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Ordnance Q.F. 2pdr
(Anti Tank Gun)
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photo of Ordnance Q.F. 2pdr from Wikipedia
History
Used both as an Anti Tank gun and as a Tank gun the 2pdr was first used in Belgium in 1939. The majority of the British guns were captured by the Germans at Dunkirk. However the 2pdr manufacture was continued but was slowly replaced by the 6pdr from 1942.
Manufactured1936 - 1944
Calibre40mm
LengthL/50
Rate of Fire22 rpm
 
AP/T Mk I
(AP Armor Piercing)
40mm 1.08Kg 792M/Sec
Quoted Penetration 53mm@455m
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.27 0.56 1.26 2.17 3.37 5.06 7.58
Penetration(mm@30°) 64 58 51 41 33 25 19 13
Penetration(mm@0°) 74 67 59 48 39 30 22 16
Hit Probability(%) 98 98 98 93 60 25 6 2



HE/T Mk II after 1942
(HE High Explosive)
40mm 0.86Kg 792M/Sec 0.085Kg explosive
Maximum Range not shown as gun elevation is limited
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.27 0.56 1.26 2.17 3.37 5.06 7.59
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.27 0.56 1.26 2.17 3.37 5.06 7.59
Hit Probability(%) 98 98 98 93 60 25 6 2
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill1 mtr Burst radius Infantry in open 66% kill3 mtr
Burst radius Infantry in open 33% kill9 mtr  Armour Penetration inc roof at 1 mtr0 mm
An explosion within 1 mtr of infantry in the open will cause 99% casualties - lethal.
An explosion within 3 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 9 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 NameCommon Name
 AEC Armoured Car Mark I 
 Cruiser Mk IA9 
 Cruiser Mk IIA10 
 Cruiser Mk IIAA10 
 Cruiser Mk IIIA13 
 Cruiser Mk IVA13 Mk II 
 Cruiser Mk IVAA13 Mk II 
 Cruiser Mk VCovenanter I 
 Cruiser Mk VCovenanter II 
 Cruiser Mk VCovenanter III 
 Cruiser Mk VCovenanter IV 
 Cruiser Mk VICrusader I 
 Cruiser Mk VICrusader II 
 Daimler Armoured Car MkI, II 
 Inf Tank Mk IIMatilda II A12 
 Inf Tank Mk IIMatilda III 
 Inf Tank Mk IIMatilda IV 
 Inf Tank Mk IIMatilda V 
 Inf Tank Mk IIIValentine II 
 Inf Tank Mk IIIValentine III 
 Inf Tank Mk IIIValentine IV 
 Inf Tank Mk IIIValentine V 
 Inf Tank Mk IIIValentine VI 
  
 Inf Tank Mk IIIValentine 
 Light Tank Mk VII TetrarchTetrarch 
 Light Tank Mk VIIIHarry Hopkins 
 Vickers Mk I 
 Vickers Mk IIA 
 Inf Tank Mk IVChurchill 1 - I 
 Inf Tank Mk IVChurchill 2 - II 
 Ram Mk I 
 Inf Tank Mk IVChurchill 1 - I 
 Inf Tank Mk IVChurchill 2 - II 
 

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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