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United States' T1 light tank

Photos

T1E2 Light Tank:
United States' T1E2 Light Tank
Aberdeen Tank Museum
T1E4 Light Tank:
United States' T1E4 Light Tank
Aberdeen Tank Museum

Production

  • T1E2:
    • Manufacturer: Cunningham
  • T1E4:
    • Manufacturer: Rock Island Arsenal
    • Production: 1932

Variants

  • T1E2 Light Tank: It could fire 1.91 lb shell at a muzzle velocity of 2,550'/sec.
  • T1E4 Light Tank: Had a turret located more centrally.

Specifications

  T1E2
Crew 2
Physical Characteristics  
Weight 8.8 tons
Length 12.8'
Height 7.6'
Width 6.2'
Width over tracks  
Ground clearance 14"
Ground contact length 82"
Ground pressure 8.3 psi
Turret ring diameter  
Armament  
Main 37 mm M5, L/50
Secondary  
MG .30 cal M1919A4, coaxial
Side arms  
Quantity  
Main 104
Secondary  
MG 3,000
Side arms  
Armor Thickness (mm) Front: 0.6"
Side: 0.4"
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front 0.6"
Turret Sides 0.25"
Turret Rear  
Turret Top  
Engine (Make / Model) Cunningham
Bore / stroke  
Cooling Water
Cylinders 8
Capacity  
Net HP 132@2,600 rpm
Power to weight ratio  
Compression ratio  
Transmission (Type) Cotta
3 forward, 1 reverse
Steering Clutch brake
Steering ratio  
Starter Electric
Electrical system  
Ignition Distributor
Fuel (Type) Gasoline
Octane  
Quantity 58.5 gallons
Road consumption  
Cross country consumption  
Performance  
Traverse Hand
Speed - Road 18.2 mph
Speed - Cross Country  
Range - Road  
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth  
Trench crossing  
Vertical obstacle  
Climbing ability  
Suspension (Type) Leaf springs with 4 two wheeled bogies
Wheels each side 2x4
Return rollers each side 3
Tracks (Type) Steel, self cleaning
Length  
Width 13"
Diameter  
Number of links 49
Pitch 6.75"
Tire tread  
Track centers/tread 5'
  T1E4
Crew 4
Physical Characteristics  
Weight 8.6 tons
Length 15' 5"
Height 6' 6.75"
Width 7' 2.75"
Width over tracks  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 37 mm semi-automatic M1924
Secondary  
MG .30 cal M1919A2 MG, coaxial
Side arms  
Quantity  
Main 80
Secondary  
MG 3,000
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 0.625"@0°
Hull Front, Lower  
Hull Sides, Upper 0.25"@0°
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front 0.5"@0°
Turret Sides 0.25"@0°
Turret Rear  
Turret Top  
Engine (Make / Model) Cunningham
Bore / stroke  
Cooling Water
Cylinders V-8
Capacity  
Net HP 140
Power to weight ratio  
Compression ratio  
Transmission (Type) Cotta sliding gear
3 forward, 1 reverse
Steering Individual track brakes
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline
Octane  
Quantity 50 gallons
Road consumption 1.7 mpg
Cross country consumption  
Performance  
Traverse 360°, manual
Speed - Road 20 mph
Speed - Cross Country  
Range - Road 85 miles
Range - Cross Country  
Turning radius  
Elevation limits  
Fording depth 1' 2"
Trench crossing 7'
Vertical obstacle 1' 4"
Climbing ability 30° slope
Suspension (Type) Vickers-Armstrong type
Semi-elliptic springing
Wheels each side 2 four wheel articulated bogies
Return rollers each side 4
Tracks (Type) Forged steel plates
Length  
Width 13.25"
Diameter  
Number of links  
Pitch 4"
Tire tread Rubber
Track centers/tread  

Sources:

  1. Tank Data, Aberdeen Proving Grounds Series, 1968?
  2. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
20th Century American Military History Crucial Site