Char rapide BT-7 - Walk Around

BT-7
Pays	Ussr
Type	Fast tank
Description	Album de 105 walk-around photos of the "BT-7" fast tank

Photo gallery on a fast tank BT-7, Designed in the early thirties, the fast tanks Bt played a major role in the development of the Soviet armoured force. They were the first models of tanks available in large numbers that allowed the development of mechanized doctrines. Although these doctrines were brought into dispute and forgotten just before the beginning of the German invasion, they paved the way for those later who used the BT descendant, the T-34.

Source: BT tanks on Wikipedia

BT-7 002

BT-7 001

BT-7 003

BT-7 004

BT-7 005

BT-7 006

BT-7 007

BT-7 008

BT-7 009

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General Overview

Type	Light Cavalry Tank (Fast Tank)
Place of Origin	Soviet Union
Service History	1935–1945
Crew	3 (Commander/Gunner, Loader, Driver)
Production Years	1935–1940/41
Total Built	Approximately 5,556 (all BT-7 variants)
Successor	T-34 Medium Tank

Technical Specifications (Standard BT-7 Model 1937)

Weight (Mass)	Approx. 13.8 tonnes (15.2 short tons)
Main Armament	45 mm 20-K Model 1932/38 tank gun
Secondary Armament	1-3 × 7.62 mm DT machine guns
Armor	6–22 mm (Lightly armored)
Engine	Mikulin M-17T V-12 gasoline engine, 400 hp (298 kW)
Top Speed	72 km/h (45 mph) (on wheels, on road) 50 km/h (31 mph) (on tracks)
Suspension	Christie Suspension (Convertible drive)
Operational Range	200 km (120 mi) on tracks

Key Characteristic: Convertible Drive

The BT-7 used the Christie Suspension which allowed the crew to remove the tracks and drive the tank directly on its large road wheels when traveling on roads. This capability was designed to reduce wear on the tracks and achieve extremely high speeds.

Note on Vulnerability The tank’s light armor and use of a gasoline engine made it highly vulnerable to enemy fire, a factor that contributed to significant losses early in World War II.