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Britain - Ordnance Q.F. 75mm

Showing the details of the shells used(where known)
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Weapon Details
Flag
Ordnance Q.F. 75mm
(Tank Gun)
Blank
photo of Ordnance Q.F. 75mm from Wikipedia
History
This was a temporary fix to the problem of 6pdr guns not having a powerful enough HE shell. It was created by boring out the British 57mm 6pdr to take the American 75mm AP/HE shells, which reduced the Anti Tank performance but provided HE support.
Manufactured1943 - 1945
Calibre75mm
LengthL/32
 
AP(AP)
75mm 6.58Kg 618M/Sec
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.16 0.33 0.68 1.45 2.31 3.29 4.41 5.71
Penetration(mm@30°) 98 91 83 73 64 55 46 38
Penetration(mm@0°) 114 106 96 85 74 64 54 45
Hit Probability(%) 98 98 98 88 54 25 15 3

Vehicles in our database using this gun
Vehicle NameCommon Name
 AEC Armoured Car Mark III 
 Cruiser Mk VIIICentaur III 
 Cruiser Mk VIIICromwell IV/V 
 Inf Tank Mk IIIValentine XI 
 Inf Tank Mk IVChurchill Crocodile 
 Inf Tank Mk IVChurchill 9 - IX 
 Inf Tank Mk IVChurchill 10 - X 
 Inf Tank Mk IVChurchill 11 - XI 
 Cruiser Mk VIII (Cromwell IV)Cromwell IV 
 Cruiser Mk VIII (Cromwell VII)Cromwell VII 
 Inf Tank Mk IVChurchill 6 - VI 
 Inf Tank Mk IVChurchill 7 - VII 
 M3 GrantGrant 
 Cruiser Mk VIIICromwell VII/VIII 
 Cruiser Mk VIIICromwell II Mk I 
 

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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