BT-SV

The BT-SV ( Bystrohodny Tank-Stalin Voroshilov) was an experimental Soviet light tank. In 1936, Soviet engineer Tsiganov proposed a new high-speed (BT) light tank based on the BT-7. The design was to incorporate sloped armor similar to the T-34, which was also being developed at the time, and a transmission identical to that of the BT-7. The armor was angled at around 15°-58°. It could protect the tank from 45mm rounds. Only two prototypes were built, both of which saw field testing. The vehicle never saw mass production, and resources were instead focused on the production of the T-34 medium tank. All work on this project was abandoned when designer Tsiganov was arrested during purges in 1938.

BT-SV / BT-SW-2
BT-SV
TypeLight cavalry tank
Place of originSoviet Union
Production history
DesignerTsyganov group
Designed1937-1938
Specifications (BT-SV)
Mass25 tons
Length562 cm
Width280 cm
Height217.5 cm
Crew4

Armour16-25 mm
Main
armament
45-mm 20KL tank gun
Secondary
armament
7.62-mm DT MG
EngineModel M-17T
500 hp
Power/weight20 hp/tonne
SuspensionChristie suspension
Operational
range
120 km
Maximum speed 52 km/h (32.3 mph)


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