Infantry Tank Mk.IV Churchill Mk.VII

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Infantry Tank Mk.IV Churchill Mk.VII

GENERAL DATA
Other Designation(s)	A22F
Type	Infantry Tank	Radio Equipment	Wireless set No. 19 & No. 38
Manufacturer(s)	Vauxhall Motors
Crew	5 (Commander, gunner, loader, driver, co-driver/hull gunner)
Production Quantity	1600	Production Period	1944

DIMENSIONS
Combat weight	40600 kg	Ground pressure	0.94 kg kg/cm²
Length /hull	7.54 m	Length w/Gun	7.54 m
Barrel Overhang	0 m	Height	2.49 m
Width	2.74*-3.25 m	Ground clearance	0.51 m

(*) Without side air louvres

ARMAMENT
Primary Armament	75 mm Mk V or Va L/40 (1)	Ammunition Carried	84
Traverse	360° (electric or manual)	Elevation	-12.5° to +20°
Traverse speed (360°)	24°/sec	Sight	?
Secondary Armament	2 x 7.92 mm Besa MG (2)	Ammunition Carried	7125
	7.7mm (.303) Vickers MG (3)		600
	2" Bomb thrower (4)		30
	Verey pistol (5)		20
	Thompson machine carbine (6)		460
Location	1: Turret - 2: coaxial, bow - 3: AA - 4: turret roof - 5/6: inside

ARMOR
Assembly	Welding & Riveting
Armor Detail (from the horizontal)	Front	Side	Rear	Top/Bottom
Hull	140 mm / 65°(nose)	57 mm / 90°	50 mm / 90°	19-25 mm / 0°
Superstructure	57 mm / 25° (glacis) 152 mm / 86° (driver)	-	-	16-19 mm / 0°
Turret	152 mm / 90°	95 mm / 90°	95 mm / 90°	20 mm / 0°
Mantlet	-	-	-	-

AUTOMOTIVE
Engine	2 x Bedford Twin-Six	Type & Displacement	2 x HO6, 21.3 litres
Horsepower (maximum)	350 hp at 2200 rpm	Power/Weight Ratio	8.8 hp / ton
Gearbox	Merritt-Brown: 4 forward, 1 reverse	Fuel Capacity	682 + 148 auxilliary L Gasoline

SUSPENSION
Type	Vertical coil springs	Road wheels	11 independent double-road wheels
Track return rollers	-	Sprocket-Wheels	Rear, double
Idler Sprockets	Front, double	Shock absorbers	-
Track Type	Dry pin, Heavy cast steel or Light cast steel and manganese
Width	559 mm	Pitch	203.2 mm
Links(shoes)	Heavy cast: 70 - Light cast: 72	Track ground contact	3.81 m

PERFORMANCES
Maximum Speed	21.7 km/h on road, 12.8 km/h off road	Range	228 km on road
Mileage	470 L/100 km on road	Maximum grade	30° (from horizontal)
Trench crossing	3.05 m	Vertical obstacles	1.13 m
Maximum fording depth	1.02 m	Minimum turning diameter	skid

Sources
OnWar.com	Vehicles.com	TNT Hors-Série n°6	-

Drawings

Churchill Mark VII

File

Churchill Mark VII