The BA-21 was an experimental

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

armored car from 1938. It was a major modification of the

BA-20 The BA-20 (russian: Broneavtomobil 20, italic=yes) was an armored car developed in the Soviet Union in 1934. It was intended to replace the FAI and its field trials were completed in 1935. The BA-20 was then used in the early stages of World Wa ...

, using a triaxial truck chassis instead of biaxial. The next year, the design was further developed into the LB-23, which had a better engine. Both vehicles were not accepted for production.United States Air Force (1978), p. 189.

Specifications

The BA-21 had a weight of , while having a length of , a width of , and a height of . It was powered by a

GAZ GAZ or Gorkovsky Avtomobilny Zavod (russian: ГАЗ or Го́рьковский автомоби́льный заво́д, , Gorky Automobile Plant) is a Russian automotive manufacturer located in Nizhny Novgorod, formerly known as Gorky (Го� ...

water-cooled Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and non ...

four-cylinder engine with a speed of . It had 11 mm (0.43 in) of

armor Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or fr ...

, with a 7.62 in (0.3 in)

DT machine gun The Degtyaryov machine gun (russian: Пулемёт Дегтярёвa Пехотный, Pulemyot Degtyaryova Pekhotny literally: "Degtyaryov's infantry machine gun") or DP-27/DP-28 is a light machine gun firing the 7.62×54mmR cartridge that was ...

. The vehicle was manned by a crew of two, consisting of a commander and a driver.

Development

The BA-21 was designed in 1938, as a major modification of the

. It used a triaxial truck chassis, instead of a biaxial truck chassis. In 1939, the BA-21 was developed further into the LB-23, which had a better engine than the original design. Both of the vehicles were not accepted for production.

References

Citations

Bibliography

Web sources

* {{Use dmy dates, date=June 2017 Armoured cars of the interwar period World War II armoured fighting vehicles of the Soviet Union Reconnaissance vehicles Military vehicles introduced in the 1930s