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Britain's Medium Tank A7
Royal Armored Corps Tank Museum
The Chief Superintendent of Design in 1929 designed an experimental tank, and three were constructed by the Royal Ordnance Factory in Woolwich.2
Development stopped in 1937.2
Medium Tank A7E2:
Changes in transmission and running gear.1 Later models had 2 pdr installed.1
| Medium Tank A7E1 | Medium Tank A7E2 | Medium Tank A7E3 | |
|---|---|---|---|
| Crew | 51 | 51 | |
| Physical Characteristics | |||
| Weight | 14 tons1,2 | 14 tons2 | 18.2 tons1,2 |
| Length w/gun | 22' 6"1 | ||
| Length w/o gun | |||
| Height | 9' 1"1 | ||
| Width | 8' 11.5"1 | ||
| Ground clearance | |||
| Ground contact length | |||
| Ground pressure | |||
| Turret ring diameter | |||
| Armament | |||
| Main | 3 pdr QF1 3 pdr (47 mm)2 |
3 pdr (47 mm)2 | 3 pdr QF1 3 pdr (47 mm)2 |
| Secondary | |||
| MG | 2: Vickers .303 MG1 2: MG, coaxial, hull 2 |
MG, coaxial2 | 2: Vickers .303 MG1 2: MG, coaxial, hull 2 |
| Side arms | |||
| Quantity | |||
| Main | |||
| Secondary | |||
| MG | |||
| Side arms | |||
| Armor Thickness (mm) | 9 - 141 142 |
142 | 141,2 |
| 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) | Armstrong-Siddeley1,2 | Armstrong Siddeley2 | 2: AEC C11 2: AEC2 |
| Cooling | Air1,2 | Air2 | |
| Cylinders | V-82 | V-82 | |
| Net HP | 1201,2 | 1202 | 2521,2 |
| Transmission | |||
| Fuel type | Diesel1,2 | ||
| Octane | |||
| Capacity | |||
| Performance | |||
| Traverse | |||
| Max Speed | 25 mph1 | 25 mph1,2 | |
| Cross Country | |||
| Road radius | |||
| Turning Radius | |||
| Elevation Limits | |||
| Fording depth | |||
| Trench crossing | |||
| Vertical Obstacle | |||
| Suspension (Type) | |||
| Wheels each side | |||
| Return rollers each side | |||
| Track length | |||
| Tires | |||
| Track width | |||
| Track centers/tread | |||
| Production |
Sources:
- Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
- The Royal Armoured Corps Tank Museum, Tanks 1919-1939 The Inter War Period, 1966
