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Britain's Vickers Medium Mk II3, Mk IIA3, Mk II*3, Mk II**3

Medium Mk II:
Britain's Vickers Mk II
Medium Mk II:
United Kingdom's Vickers Medium Tank Mk II
Royal Armored Corps Tank Museum
Medium Mk II:
Britain's Medium Mk II
Medium Mk IIA:
Britain's Vickers Mk II
Medium Mk II Mark IA in 1926:
Britain's Vickers Mk II
Medium Mk II Command tank in 1931:
Britain's Vickers Mk II
Medium Mk II tank of the 5th Battalion, Royal Tank Corps, Hampshire
United Kingdom's Vickers Medium Mk II
Medium Mark II** in 1931:
United Kingdom's Medium Mk II**

Design

Vickers Armstrongs designed and built this tank during the 1920s-30s. This was the first post-World War I tank to go into service with the Royal Tank Corps. Was considered the first "fast tank" in service.

First tank to have the main armament in a revolving turret.1 The hatches were rather small and could be used for quick exits.1 The crew entered through small hatches in the side of the hull. Since it used multi-rollers it couldn't be maneuvered at high speed.1

The armor plates were primarily flat. The engine was located on the left in the front with the driver on the right. The driver had a large hatch he could open to see while on the road. There were 4 men in the turret, with the commander, one to fire the gun, one loaded the gun and handled the MG, and the last to operate the radio.

A fireless cooker with rations for 3 days could be carried in the tank.

Production

Variants

Usage

Entered service with the British Army in 1926 and was used until 1941.1 Primarily used for training.1 Some were used in North Africa and Greece.1

Was designed for hot climates, but proved to have problems when sent to Africa. Some were fitted with panels of asbestos to help reduce the heat inside the tank but proved ineffectual. Some used in Western Desert Forces at Mersa Matruh and Tobruk (1940-41).

Australia

Australia purchased 4 in 1928.4 Had Vickers MG on left, and 3 pdr on right.4

  Medium Mk II Medium Mk II* Medium Mk IIA Medium Mk IIA CS
Crew Commander, driver, wireless operator, gunners(2).2
51,2,3,4,6
54 55 54
Physical Characteristics        
Weight 30,240 lb2, 30,128 lb
13,666 kg, 14,224 kg1,6
11.7 tons, 13.2 tons4, 13.45 tons3, 14 tons1,6
13.5 tons4 16 tons5 14 tons4
Length w/gun 17' 6"1,2,4,6
5.33 m1,6
17' 6"4 16.5'5 17' 6"4
Length w/o gun        
Height 8' 10"1,4,6, 9' 10.5"2
2.69 m1,6
10'4 8.9'5 10'4
Width 9' 2"1,6, 9' 1.5"2,4
2.8 m, 2.78 m1, 2.79 m6
9' 1.5"4 8.7'5 9' 1.5"4
Width over tracks        
Ground clearance     19.5"5  
Ground contact length     10' 10"5  
Ground pressure     9.5 lbs/(in2)5  
Turret ring diameter        
Armament        
Main 3 pdr QFSA2
3 pdr (47 mm)1,3
3 pdr QF4
3 pdr6
3 pdr QF4 2 pdr. QF Mk IV L/525 3.7" Howitzer4
Secondary        
MG 3: Vickers 7.7 mm (.303 cal), coaxial, hull (2)1,6
3: .303 cal Vickers MG2,3
4: Hotchkiss MG4 AND
2: Vickers .303 MG4
3: Vickers .303 MG4 3: .303 MGs5 3: Vickers .303 MG4
Side arms        
Quantity        
Main     1115  
Secondary        
MG     2,2505  
Side arms        
Armor Thickness (mm) 82,3, 8.254, 126 6.25 - 84 Front: 0.5"5
Side: 0.38"5
Turrent front: 0.38"5
Turrent side: 0.38"5
84
Hull Front, Upper 8      
Hull Front, Lower        
Hull Sides, Upper        
Hull Sides, Lower        
Hull Rear        
Hull Top        
Hull Bottom 8      
Turret Front 12      
Turret Sides        
Turret Rear        
Turret Top        
Engine (Make / Model) Armstrong Siddeley1,2,3,4,6 Armstrong Siddeley4 Liquid cooled5 Armstrong Siddeley4
Bore / stroke        
Cooling        
Cylinders 86   65  
Capacity        
Net HP 906   150 @ 2,400 RPM5  
Power to weight ratio        
Compression ratio        
Transmission (Type)     5 forward, 1 reverse5  
Steering        
Steering ratio        
Starter        
Electrical system        
Ignition        
Fuel (Type) Gasoline6   Gasoline5  
Octane        
Capacity     87 gallons5  
Road consumption     1.4 mpgs5  
Cross country consumption     0.9 mpgs5  
Performance        
Traverse 360°2      
Max speed 15 mph4,6, 16 mph, 18 mph1,2,3
24 kph6, 24.6 kph1
15 mph4 23 mph5 15 mph4
Cross country speed 10 mph2   80 miles5  
Road radius 120 miles1,2,6
192 km1, 193 km6
  118 miles5  
Cross country radius        
Turning radius        
Elevation limits        
Fording depth     27.6"5  
Trench crossing 6' 6"2      
Vertical obstacle        
Climbing ability        
Suspension (Type) Box Bogie2,6   3 road wheels per spring5  
Wheels each side     65  
Return rollers each side     45  
Tracks (Type)        
Length        
Width 13"2   1' 1"5  
Diameter        
Number of links     655  
Pitch     6.75"5  
Tire tread        
Track centers/tread 8' 6"2   7.6'5  

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
  3. World War Two Tanks, George Forty, 1995
  4. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  5. Tank Data, Aberdeen Proving Grounds Series, 1968?
  6. The Illustrated Guide to Tanks of the World, George Forty, 2006
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