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Soviet Union's Flag

Soviet Union's BT-3 Bystrochodnij Tankov (Fast Tank)

Design

Had solid disc wheels with a 45 mm gun

Steering on wheels was by a wheel that controlled the front wheels. On tracks, it was steered by the clutch and brake.

Production

Few produced.

  • BT-3:

Variants

  • BT-3:
  • BT-3 Bridgelayer: Built in 1937.

Specifications

  BT-3
Crew 3
Physical Characteristics  
Weight 10.2 tons
Length 18'
Height 7.25'
Width 7.33'
Width over tracks  
Ground clearance Wheels: 9"
Tracks: 10.5"
Ground contact length 12'
Ground pressure 8.96 psi
Turret ring diameter  
Armament  
Main 45 mm
45 mm L/46
45 mm L/46 A/TK
Secondary  
MG 7.62 mm DTMG
Side arms  
Quantity  
Main 96
Secondary  
MG 2,709
Side arms  
Armor Thickness (mm)  
Hull Front, Upper 13
Hull Front, Lower  
Hull Sides, Upper 10 - 13
Hull Sides, Lower  
Hull Rear 10
Hull Top 6 - 10
Hull Bottom 6 - 10
Turret Front 10 - 13, 13
Turret Sides 13
Turret Rear 13
Turret Top 10
Engine (Make / Model) Liberty Aero
Bore / stroke  
Cooling Water
Cylinders V-12, 12
Net HP 343, 343 - 400@2,000 rpm
Power to weight ratio 34.3 hp/ton
Compress ratio  
Transmission (Type) Wheels: Chain drive
Tracks: Sliding Gear
Steering  
Steering ratio  
Starter  
Electrical system  
Ignition  
Fuel (Type) Gasoline
Octane  
Quantity 88 gallons
Road consumption  
Cross country consumption  
Performance  
Traverse 360°
Max speed - wheels 69 mph
Cross country speed - tracks 39 mph
Road radius - wheels 187 miles
Cross country radius - tracks 125 miles
Turning radius 40'
Elevation limits -4° to +40°
Fording depth 3.98'
Trench crossing 6.85'
Vertical obstacle - wheels 8"
Vertical obstacle - tracks 29.8"
Climbing ability  
Suspension (Type) Christie independent type
Wheels each side 4
Return rollers each side  
Tires (Type)  
Length  
Width - tire 2 x 3.95"
Width - track 10.25"
Diameter 32.5"
Number of links  
Pitch  
Tire tread  
Track centers/tread 6.33'

Sources:

  1. Tanks of World War II, Duncan Crow, 1979
  2. Profile AFV Weapons 37 Russian BT Series, John F. Milsom, 1971
  3. The Illustrated Guide to Tanks of the World, George Forty, 2006
  4. Airfix Magazine Guide 22 Russian Tanks of World War 2, John Milsom and Steve Zaloga, 1977
  5. Russian Tanks of World War II Stalin's Armored Might, by Tim Bean & Will Fowler, 2002
20th Century American Military History Crucial Site