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WWII Tanks Vehicle Data Sheet

BT-7A

USSR

Scale Drawing not yet available

Armour Details

Turret

 Front 15mm@10(15.0mm)
 Side  13mm@10(13.0mm)
 Rear  13mm@10(13.0mm)
 Top  6mm@90(6.0mm)

Superstructure

 Front 22mm@50(34.0mm)
 Side  13mm@0(13.0mm)
 Rear  13mm@0(13.0mm)
 Top  6mm@90(6.0mm)

Hull

 Front 22mm@30(25.0mm)
 Side  13mm@0(13.0mm)
 Rear  13mm@0(13.0mm)
 Top  6mm@90(6.0mm)
Gun Mantlet 50 mm

Armour (x)mm @ (y) (Effective mm @ 0)

Effective Armour - Maximum 34 (mm) - Minimum 6 (mm)

Specifications

Manufacture Dates 1936 - Unknown
Quantity Produced -
Weight  13.8 (tonnes)
Crew 3
M.G's small 2
M.G's Large -
Length 5.74 (mtr)
Width 2.46 (mtr)
Height 2.31 (mtr)

Engine Details/Performance

Road Speed 45 (mph)
Cross Country Speed 33 (mph)
Range Road 310 (miles)
Range Cross Country 220 (miles)
Fuel Type Petrol
Fuel Capacity 174
Horse Power 450
Power/Weight 32.6 (HP/tonne)

General Information


The BT-7A was a medium tank used by the russians between 1936 and 1945.

The vehicle was manned by a crew of 3 and was 2.46 metres wide, 5.74 metres long, 2.31 metres high and weighed 13.8 tonnes.

Powered by a 450hp petrol engine the BT-7A was capable of a road speed of 45mph and a cross country speed of 33mph. The 174 gallon fuel capacity gave the BT-7A a road range of 310 miles and a cross country range of 220 miles.

Based on the bt chassis, the vehicle was armed with 2 light machine guns, a 76.2mm Regimental Gun M27 L/16 with a muzzle velocity of 387m/sec which was capable of penetrating 41mm of armour at 800metres
Primary Armament
 
76.2mm Regimental Gun M27 L/16
 Calibre 76 mm
 Muzzle Velocity 387 m/sec
 Shell Weight 6.2 Kg
Range(metres) 100 200 400 800 1200 1600 2000 2400
Penetration(mm) 45 44 43 41 38 36 33 31
Flight Time(secs) 0.26 0.52 1.07 2.22 3.45 4.76 6.16 7.67
Hit Probability % 98 98 98 57 25 18 12 7
Penetration is mm through vertical plate - calculated
Probability is % chance of hit on a 2 x 2.4mtr static plate

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