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Britain
Rolls-Royce Armoured Car

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The Rolls-Royce Armoured Car was designed in 1914, manufactured by Rolls Royce based on the existing 4 x 2 drive Commercial Car and was in use from 1915 to 1944.

Flag of World War 2 Britain
Rolls-Royce Armoured Car scale illustration

General Details
Specifications
Operational Date(s)1915 - 1944
Quantity Produced120
Weight4.7 tonne
Crew4
M.G's small1
M.G's large(>10mm)n/a
Length5.23 mtr
Width1.92 mtr
Height2.36 mtr
Engine Details/Performance
Max Road Speed50 mph
Max Cross Country Speed10 mph
Range Road150 miles
Range Cross Country30 miles
Fuel TypePetrol
Fuel Capacityunknown
Horse Power80 hp
Power/Weight17 hp/tonne
General Information
The Rolls-Royce Armoured Car was designed in 1914, manufactured by Rolls Royce based on the existing 4 x 2 drive Commercial Car and was in use from 1915 to 1944.

The vehicle was powered by Rolls Royce '6 Cylinder' petrol powerplant producing 80 HP which could drive the vehicle on roads at up to 50 mph with a range of about 150 miles before refuelling. Its cross country performance was adequate providing a max speed of about 10 mph and a range of about 30 miles.

It was armed with 1 light machine gun , a Vickers Medium Machine Gun. At the start of the Second World War 76 were in service mostly in the Middle East Theatre.

Armour Details
Turret
Front12mm@(12mm)
Side12mm@(12mm)
Rear12mm@(12mm)
Top5mm@90°(5mm)
Superstructure
Front12mm@(12mm)
Side12mm@(12mm)
Rear12mm@(12mm)
Top5mm@90°(5mm)
Hull
Front12mm@(12mm)
Side12mm@(12mm)
Rear12mm@(12mm)
Top5mm@90°(5mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 12 mm - Minimum 5 mm



Weapon Details
Flag
Vickers Medium Machine Gun
(Machine Gun)
Blank
photo of Vickers Medium Machine Gun from Vickers medium machine gun Wikipedia
History
The Vickers medium machine gun was designed during World War I as a replacement for the Maxim gun from which its design was taken.

It served throughout World War I and II as a fixed point machine gun used to suppress areas and act as a defensive point.
ManufacturerVickers
Manufactured1912 - 1968
Calibre7.70mm
LengthL/93
Rate of Fire450 rpm
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
Standard british .303 round - MkVIII (only used in Vickers Mg)
(BALL Standard Small Arms)
7.70mm 0.01Kg 844M/Sec
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.14
Penetration(mm@30°) 2
Penetration(mm@0°) 3
Hit Probability(%) 98

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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