| GENERAL DATA | |||
|---|---|---|---|
| Formal Designation | BT-7 Model 1937 | ||
| Manufacturer(s) | Factory No. 183 Kharkov Locomotive Works (KhPZ) | ||
| Production Quantity | about 12001 | Production Period | 1937-1939 |
| Type | Medium/Cruiser Tank | Crew | 3 |
| Length overall/hull | 5.66 m (18' 7") | Barrel Overhang | 0 |
| Width | 2.29 m (7' 6") | Height | 2.42 m (7' 11") |
| Combat Weight | 13800 kg (30400 lbs) | Radio Equipment | None/71-TK-1 |
| FIREPOWER | |||
|---|---|---|---|
| Primary Armament | 45mm Gun M1934 | Ammunition Carried | 172/1882 |
| Traverse (degrees) | 360° | Elevation (degrees) | -4° to +40° |
| Traverse speed (360°) | n.a. | Sight | n.a. |
| Secondary Armament | 2 x 7.62mm DT MG (coaxial, turret) |
Ammunition Carried | 2394 |
| MOBILITY CHARACTERISTICS | |||
|---|---|---|---|
| Engine Make & Model | M-17 | Track Links | 73/track |
| Type & Displacement | V12 | Track Width | 26 cm (10") |
| Horsepower (max.) | 450hp @1750rpm | Track Ground Contact | 360 cm (142") |
| Power/Weight Ratio | 32.6 hp/tonne | Ground Pressure | 0.74 kg/cm2 (10.5 psi) |
| Gearbox | 3 forward, 1 reverse | Ground Clearance | 0.40 m (1' 4") |
| Fuel | Gasoline (Petrol) | Turning Radius | 12.2 m (40' 0") |
| Range on road | 350(500)3 km | Gradient | 40° |
| Mileage on road | 230(160)* l/100km | Vertical Obstacle | 0.75 m (2' 6") |
| Fuel Capacity | 790 l | Fording | 1.2 m (3' 11") |
| Speed on road | 52(72)* km/h | Trench Crossing | 2.0 m (6' 7") |
| ARMOR PROTECTION | ||||
|---|---|---|---|---|
| Armor Details | Front | Side | Rear | Top/Bottom |
| Hull | 22mm @round(nose) | 13mm @90° | 13mm @32°(lower) | 6-10mm @0° |
| 13mm @80°(upper) | ||||
| Superstructure | 15mm @30°(glacis) | - | 10mm @35° | 10mm @0° |
| 22mm @72°(driver) | ||||
| Turret | 15mm @78° | 15mm @78° | 15mm @75° | 15mm @0-5° |
| Mantlet | 15mm @round | - | - | - |
| TECHNICAL DRAWINGS AND OTHER IMAGES |
|---|
BT-7 Model 1937
BT-7 (Model 1937) by George R. Bradford
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| NOTES |
|---|
|
1This estimate is based on an analysis of BT series production and Soviet tank production statistics. 2With/without radio equipment installed. 3The data refers to operation of the vehicle on tracks (wheels). |
| REFERENCES |
|---|
| RT, ST, MM0182, MM0895, OOBTr, RTAV, Russian Military Zone, George R. Bradford |
Copyright © 2018 Ralph Zuljan