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Britain
Cruiser Mk V (Covenanter C.S.)
Ordnance classification - A13 MkIII

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The Cruiser Mk V was designed in 1939, manufactured by the London, Midland and Scottish Railway based on the existing fully tracked A13 and was in use from 1940 to 1943.

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Photo of Cruiser Mk V (Covenanter C.S.)
Cruiser Mk V(Covenanter C.S.) scale illustration

General Details
Specifications
Operational Date(s)1940 - 1943
Ordnance classificationA13 MkIII
Quantity Produced0
Weight18 tonne
Crew4
M.G's small1
M.G's large(>10mm)n/a
Length5.85 mtr
Width2.65 mtr
Height2.26 mtr
Engine Details/Performance
Max Road Speed31 mph
Max Cross Country Speed17 mph
Range Road100 miles
Range Cross Country40 miles
Fuel TypePetrol
Fuel Capacityunknown
Horse Power300 hp
Power/Weight16 hp/tonne
General Information
The Cruiser Mk V was designed in 1939, manufactured by the London, Midland and Scottish Railway based on the existing fully tracked A13 and was in use from 1940 to 1943.

The vehicle was powered by Meadows 'Flat-12' petrol powerplant producing 300 HP which could drive the vehicle on roads at up to 31 mph with a range of about 100 miles before refuelling. Its cross country performance was good providing a max speed of about 17 mph and a range of about 40 miles.

It was armed with 1 light machine gun , a BESA Machine Gun 7.92mm. Its main armament consisted of an Ordnance Q.F. 3inch Howitzer which could penetrate 113 mm of flat plate at 100 metres

The vehicle was not used operationally due to serious overheating of the front mounted engine. The Covenanter C.S. was the close support version of either the Covenanter I,II,III or IV.

Armour Details
Turret
Front40mm@20°(43mm)
Side16mm@20°(17mm)
Rear16mm@20°(17mm)
Top4mm@90°(4mm)
Superstructure
Front40mm@45°(57mm)
Side14mm@(14mm)
Rear14mm@(14mm)
Top4mm@90°(4mm)
Hull
Front40mm@30°(46mm)
Side14mm@(14mm)
Rear14mm@(14mm)
Top4mm@90°(4mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 57 mm - Minimum 4 mm



Weapon Details
Flag
BESA Machine Gun 7.92mm
(Machine Gun)
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photo of BESA Machine Gun 7.92mm from Wikipedia
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.
Manufactured1939 - 1966
Calibre7.92mm
LengthL/93
Rate of Fire450 rpm
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
Cartridge SA, 7.92
(AP Standard Small Arms)
7.92mm 0.011Kg 785M/Sec
Quoted Penetration 11mm @ 1000mtr/0°
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.16 0.37 1.1
Penetration(mm@30°) 10 8 5
Penetration(mm@0°) 12 10 6
Hit Probability(%) 98 98 98


 
Cartridge SA, 7.92
(BALL Standard Small Arms)
7.92mm 0.012Kg 785M/Sec
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.15
Penetration(mm@30°) 2
Penetration(mm@0°) 3
Hit Probability(%) 98



Weapon Details
Ordnance Q.F. 3inch Howitzer
(Field Gun)
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Manufacturedunknown - 1945
Calibre76.20mm
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
3 inch howitzer AP
(HE High Explosive)
76.20mm 6.3Kg 650M/Sec 0.600Kg explosive
Range(Mtr)10002000300040005000600070008000
Flight Time(Secs) 1.77 4.17 7.61 12.96 22.39 43.45 132.43
Direct Fire
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.16 0.32 0.65 1.38 2.19 3.12 4.17 5.39
Hit Probability(%) 98 98 98 90 60 25 15 6
Blast/Fragmentation Effects
Burst radius Infantry in open 99% kill3 mtr Burst radius Infantry in open 66% kill6 mtr
Burst radius Infantry in open 33% kill15 mtr  Armour Penetration inc roof at 1 mtr1 mm
An explosion within 3 mtr of infantry in the open will cause 99% casualties - lethal.
An explosion within 6 mtr of infantry in the open will cause > 66% casualties and could damage some AFV's.
An explosion within 15 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 1 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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