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Czechoslovakia
LT-38 TNHP (CKD/Praga)

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The LT-38 TNHP (CKD/Praga) was designed in 1934, manufactured by CKD/Praga and was in use from 1935 to 1937.

Flag of World War 2 Czechoslovakia
Photo of LT-38 TNHP (CKD/Praga)
LT-38 TNHP (CKD/Praga) scale illustration

General Details
Specifications
Operational Date(s)1935 - 1937
Quantity Produced150
Weight9.5 tonne
Crew3
M.G's small2
M.G's large(>10mm)n/a
Length4.55 mtr
Width2.00 mtr
Height1.94 mtr
Engine Details/Performance
Max Road Speed26 mph
Max Cross Country Speed15 mph
Range Road156 miles
Range Cross Country60 miles
Fuel TypePetrol
Fuel Capacityunknown
Horse Power150 hp
Power/Weight15 hp/tonne
General Information
The LT-38 TNHP (CKD/Praga) was designed in 1934, manufactured by CKD/Praga and was in use from 1935 to 1937.

The vehicle was powered by Praga 'EPA/2' petrol powerplant producing 150 HP which could drive the vehicle on roads at up to 26 mph with a range of about 156 miles before refuelling. Its cross country performance was good providing a max speed of about 15 mph and a range of about 60 miles.

It was armed with 2 light machine guns which were ZB vz.53 or MG-37(t)s and ZB vz.53 or MG-37(t). Its main armament consisted of an Skoda 37mm P.U.V. vz38 L/39 which could penetrate 47 mm of flat plate at 100 metres

In use by the Czechoslovakian army until 1938/39 when all were seized by Germany after the invasion.

Armour Details
Turret
Front25mm@10°(25mm)
Side15mm@14°(15mm)
Rear15mm@15°(16mm)
Top8mm@81°(8mm)
Superstructure
Front25mm@17°(26mm)
Side16mm@0°(16mm)
Rear15mm@60°(30mm)
Top8mm@85°(8mm)
Hull
Front25mm@30°(29mm)
Side16mm@0°(16mm)
Rear16mm@0°(16mm)
Top8mm@90°(8mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 30 mm - Minimum 8 mm



Weapon Details
Flag
 ZB vz.53 or MG-37(t)
(Machine Gun) x 2		 Blank
photo of ZB vz.53 or MG-37(t) from Wikipedia
History
This heavy machine gun which used the German 7.92×57mm Mauser ammunition was mostly used as the main armament of the Skoda T-11(PzKpfw 35t) and Skoda T-25(PzKpfw 38t) tanks.

In German use this gun was known as the MG-37{t}
ManufacturerZbrojovka Brno
Manufactured1939 - 1966
Calibre7.92mm
LengthL/93
Rate of Fire450 rpm
Number of Rounds 2400
 
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
S.m.K.H tungsten cored
(AP Standard Small Arms) 		7.92mm 0.013Kg 910M/Sec
Quoted Penetration 13mm@100m/30°
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.13 0.33 1.04
Penetration(mm@30°) 15 11 6
Penetration(mm@0°) 18 13 7
Hit Probability(%) 98 98 98


 
S.m.K
(BALL Standard Small Arms) 		7.92mm 0.012Kg 785M/Sec
Quoted Penetration 8mm@100m/30°
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.2
Penetration(mm@30°) 5
Penetration(mm@0°) 6
Hit Probability(%) 98


Weapon Details
Flag
 Skoda 37mm P.U.V. vz38 L/39
(Tank Gun) 		Blank
Manufactured1934 - 1945
Calibre37mm
LengthL/39
Rate of Fire10 rpm
Number of Rounds 42
 
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
37mm Armour Piercing
(AP Armor Piercing) 		37mm 0.66Kg 762M/Sec
Quoted Penetration 42mm @ 100mtr/30° ( ≈ 48mm/0°)
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.14 0.28 0.59 1.34 2.34 3.71 5.72 8.97
Penetration(mm@30°) 40 36 32 25 19 14 10 6
Penetration(mm@0°) 47 42 37 29 23 17 12 8
Hit Probability(%) 98 98 98 90 54 22 3 1


 
37mm Tungsten Cored
(AP40 Armour Piercing Tungsten Cored) 		37mm 0.37Kg 1020M/Sec
Quoted Penetration 59mm @ 100mtr/30° ( ≈ 68mm/0°)
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.1 0.21 0.46 1.12 2.12 3.87 7.59
Penetration(mm@30°) 60 54 46 35 25 16 9
Penetration(mm@0°) 70 63 54 41 29 19 11
Hit Probability(%) 98 98 98 96 60 22 2

Hit probability is based on a static 2 x 2.4 metre panel at 0 degrees(vertical) at the range specified.

The data that has been used to create these records has come from Wikipedia, The Lone Sentry, The Bundes Archive and numerous books and websites that have provided the detailed information that has not been available anywhere else. The information we use to calculate the penetration tables, flight times and the hit probability comes from the Gun Calibre, the Shell Mass(Kg) and the muzzle velocity, plus range reductions to allow for gravity and wind resistance. This calculation originally came from a pre-war Krupp calculation which has been modified, and seems to fit the actual test results.

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