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Great Britain's Cruiser Mk V Covenanter, A13 Mk III

Photos

Cruiser Mk V, A13 Mk III, Covenanter:
Great Britain's Cruiser Mk V, A13 Mk III, Covenanter
Royal Armored Corps Tank Museum

Design

The Mechanization Board wanted a "heavy" cruiser tank to be constructed.9

The Cruiser Mk V Covenanter was inspired by Russian T-28 and based on the A13 Mk II.10

Steering

The Cruiser Mk V used an epicyclic steering system which was better than the clutch and brake system.9

Engine

The driver's position was moved to the right side and the radiators for the engine were located in the front on the left side.1,7,9,10 A flatter engine was installed to lower it's height, but this caused it's cooling system to not work.7,10 These problems weren't discovered until it was already been in production.

Turret

The turret floor was smaller than the turret ring and this caused the gunner to sit in an uncomfortable position and the commander risked getting his legs trapped when the turret was rotated.

Production

The Cruiser Mk V was accepted into production without a prototype being constructed and tested.9

The first Cruiser Mk Vs were delivered in the summer of 1940.6,9 Was declared obsolete in 1943 and orders were issued that all surviving tanks were to be scrapped.

  • Cruiser Mk V, A13 Mk III: 1,3005, 1,3656,9, 1,7711, over 1,7008
    • Production: ? - January 19436, 1939 - January 19439
    • Manufacturer: London, Midland, Scottish Railway Company7,10; L.M.S. Railway9; English Electric9; Leylands9
      • Turret: Nuffields9
      • Hull: L.M.S. Railway9
      • Engine: Meadows9

Variants

  • Cruiser Mk V Covenanter Mk. I: Production model.9
  • Cruiser Mk V Covenanter Mk. II: Improved engine cooling.9
  • Cruiser Mk V Covenanter Mk. III: There was a change in the radiator cooling louvers.9
  • Cruiser Mk V Covenanter Mk. IV: Similar to the Mk. II but with the clutch modifications of the Mk. III.
  • Covenanter CS: Close support with a 76.2 mm / 3" howitzer.7,10
  • Covenanter OP: Had extra radio and was used as an observation post.7,10 The main armament was replaced by a dummy gun.7,10
  • Covenanter Bridgelayer: Had a bridge 34' / 10.36m long and 9' 6" wide and could cover a gap 30' wide.7,8,9,10 Also given to New Zealand forces. Used by the Australians on Bougainville Island.6,8,9
  • Covenanter AMRA (Anti-Mine Roller Attachment): The anti-mine roller attachment used pressure to set of the mines while being pushed in front of the tank.7,9,10 A few trials were conducted.

Usage

Were issued to the regiments of the 1st Polish Armored Division.6,9 When the 1st was transferred to Egypt the tanks were transferred to the 9th Armored Division.6,9

Never used operationally.10 Used for training until 1943 in England and the Middle East.1,8,10

Probably the only Covenanter lost to enemy action was one that was attached to the Armored Train "H," based in Canterbury. It was destroyed in an air raid on May 31, 1942, by the Germans.

Specifications

  Cruiser Mk V, A13 Mk III, Covenanter
Crew Commander, gunner, loader, driver.2
41,2,3,4,6,7,10
Physical Characteristics  
Weight 40,320 lb2
18 tons1,3,4,6,7,8,9,10
18,289 kg7,10, 18,300 kg1
Length 19'1,3,6,7,10, 19' 3/8"2
5.8 m1,7,10
Height 7' 3.75"2, 7' 4"1,3,6,7,10
2.23 m1, 2.24 m7,10
Width 8' 6.75"2, 8' 7"1,3,6,7,10
2.61 m1, 2.62 m7,10
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 1: 2 pdr OQF2,7,10
1: 2 pdr (40 mm)1
1: 2 pdr3,6,9
1: 2 pdr QFSA4
Secondary  
MG 1: Besa MG2,9
1: MG3
MG - coaxial 1: 7.92 mm Besa MG1,4,7
1: 7.92 mm / .312" Besa MG10
1: Besa MG6
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 7 - 401,3,4, 72, 402,6,7,9,10
Hull Front, Upper 40
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom 7
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Meadows Flat-12 D.A.V.1,2
Meadows Flat-123,5
Meadows DAV17,10
Meadows DAV4,9
Meadows8
Bore / stroke  
Cooling  
Cylinders 127,10, flat 128
Net HP 2808,9, 3004,6,7,10
Power to weight ratio  
Compression ratio  
Transmission (Type) Wilson compound epicycle gearbox
Steering Epicyclic9
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline7
Octane  
Capacity  
Road consumption  
Cross country consumption  
Performance  
Traverse 360°2
Speed - Road 30 mph6, 31 mph2,3,4,7,8,10, 31.05 mph1
50 kph1,7,10
Speed - Cross Country 25 mph2
Range - Road 99.36 miles1, 100 miles2,4,7,10
160 km1, 161 km7,10
Range - Cross Country  
Turning radius  
Elevation limits -15° to +20°2
Fording depth 3' 2"2
Trench crossing 7'2
Vertical obstacle 2' 6"2
Climbing ability  
Suspension (Type) Christie2
Wheels each side  
Return rollers each side  
Tracks (Type)  
Length  
Width 10.75"2
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread 7' 6 7/8"2
  Cruiser Mk V CS
Crew  
Physical Characteristics  
Weight  
Length  
Height  
Width  
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 76.2 mm howitzer10
3" howitzer2,3,6,10
Secondary  
MG  
MG - coaxial  
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model)  
Bore / stroke  
Cooling  
Cylinders  
Net HP  
Power to weight ratio  
Compression ratio  
Transmission (Type)  
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type)  
Octane  
Capacity  
Road consumption  
Cross country consumption  
Performance  
Traverse  
Speed - Road  
Speed - Cross Country  
Range - Road  
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Tracks (Type)  
Length  
Width  
Diameter  
Number of links  
Pitch  
Tire tread  
Track centers/tread  

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. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  4. The Royal Armoured Corps Tank Museum, 1956
  5. Allied Armour of World War Two, Ian V. Hogg, 2000
  6. Tanks of World War II, Duncan Crow, 1979
  7. The Illustrated Guide to Tanks of the World, George Forty, 2006
  8. World War Two Tanks, George Forty, 1995
  9. AFV #8, Crusader-Cruiser Mark VI, Major James Bingham
  10. World War I and II Tanks, George Forty, 2012
20th Century American Military History Crucial Site