Britain
Cruiser Mk V (Covenanter IV)
Ordnance classification - A13 MkIII

Weapon Details
	BESA Machine Gun 7.92mm (Machine Gun)
		History
		Developed by BSA from the Czechoslovak ZB vz.53 heavy machine gun which used the German 7.92×57mm Mauser ammunition. It was mostly used as the main armament of the Light Tank Mk VIC and Armoured cars such as the Humber Mk I to Mk III. This 7.92mm gun was used in the armoured divisions as their supply lines were separated from the infantry who used .303 bullets. Once the British started capturing German ammunition this could be immediately used in these tank machine guns.
		Manufactured	1939 - 1966
		Calibre	7.92mm
		Length	L/93
		Rate of Fire	450 rpm

Cartridge SA, 7.92 (BALL Standard Small Arms) 7.92mm 0.012Kg 785M/Sec Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.15 Penetration(mm@30°) 2 Penetration(mm@0°) 3 Hit Probability(%) 98 Weapon Details Ordnance Q.F. 2pdr (Anti Tank Gun) 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. Manufactured 1936 - 1944 Calibre 40mm Length L/50 Rate of Fire 22 rpm   Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content AP/T Mk I (AP Armor Piercing) 40mm 1.08Kg 792M/Sec Quoted Penetration 53mm@455m Range(Mtr) 100 200 400 800 1200 1600 2000 2400 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) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.56 1.26 2.17 3.37 5.06 7.59 Direct Fire Range(Mtr) 100 200 400 800 1200 1600 2000 2400 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% kill 1 mtr Burst radius Infantry in open 66% kill 3 mtr Burst radius Infantry in open 33% kill 9 mtr  Armour Penetration inc roof at 1 mtr 0 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.

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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