BT Light Tank Series

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BT Light Tanks
File:BT-121.jpg
BT-121 "Grypo" Light Tank
TypeLight Tank
Place of origin Inyursta
Service history
In service2009 - present
Production history
Designed1994-2002
Unit cost$Y 5-8mil
Produced2007 - present
Specifications
Weight22,500kg (24 tons)
Length7.6m
Width4.2m
Height2.1m

ArmorSpaced laminate armor base layer, ceramic plate-addons with additional NERA
Main
armament
See: Variants
Secondary
armament
Coaxial 7.62x51mm MG, top-mounted GE-3 14.5x120mm heavy machine gun and top-mounted 7.62x51mm MG
EngineCPP-1984
640hp
Operational
range
550 km on internal fuel and energy reserves
Speed
  • 68km/h (road)
  • 35km/h (off-road)

The BT Light Tank Series is a family of armored fighting vehicles developed in Inyursta. After an initial failed bid to the Inyurstan Army, the BT series (specifically the BT-121 Grypo) was exported to a number of smaller countries.

Development

During the military reforms of the 90's and the ongoing retirement of 50's - 70's Red Monsoon-era medium tanks, the need arose for heavier armored "punch" for mechanized brigades. Debates ensued among procumbent officials, both civilian and military, regarding the adoption of more main battle tanks versus more IFVs. However, following the doctrinal adoption of the IAV-74 Carcujo MGS used by lighter wheeled-mechanized brigades and airborne forces, and the purchase of the Mericki-designed LT-46 Orca a.k.a. "YT-4 Alligator" by the Inyurstan Marines; the option was selected for a "light tank" style option.

Requirements for the vehicle included:

  • Heavier armor than existing APCs
  • Medium-caliber main gun
  • Weight less than 40t

YT-1 Contest

Design Features

Armament

Armor

Survivability

Performance

Electronics

History

Variants

BT-121

BT-90

BT-111

BT-105