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Britain - 4.5in Howitzer Mk I

Showing the details of the shells used(where known)
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Weapon Details
Flag of World War 2 Britain
4.5in Howitzer Mk I
(Field Gun)
Blank
Manufactured1908 - 1945
Calibre114mm
LengthL/13
Rate of Fire2rpm
 
Shell HE Mk12 - 16(HE)
114mm 15.9Kg 307M/Sec ≈2.385Kg explosive
Maximum Range 6675 Mtr
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 3.57 7.9 13.26 20.08 29.01 41.26 59.08
Burst radius Infantry in open 99% kill4 mtr Burst radius Infantry in open 66% kill9 mtr
Burst radius Infantry in open 33% kill23 mtr  Armour Penetration inc roof at 1 mtr7 mm
An explosion within 4 mtr of infantry in the open will cause 99% casualties - lethal.
An explosion within 9 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 23 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 7 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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