The LT-34 (CKD/Praga P-II), it was based on the Light Tank chassis and was in use from 1934. It was commonly called a CKD/Praga P-II. General Details (Light Tank) Specifications Operational Date(s) 1934 Ordnance classification Quantity Produced 0 Weight unknown Crew 4 M.G's small 2 M.G's large(>10mm) n/a Length 4.08 mtr Width 2.08 mtr Height 1.85 mtr Engine Details/Performance Max Road Speed 21 mph Max Cross Country Speed unknown Range Road 0 miles Range Cross Country unknown Fuel Type Petrol Fuel Capacity unknown Horse Power 62 hp Power/Weight unknown General Information The LT-34 (CKD/Praga P-II), it was based on the Light Tank chassis and was in use from 1934. It was commonly called a CKD/Praga P-II. It was armed with 2 light machine guns. Its main armament consisted of an Skoda 37mm P.U.V. vz34 L/39 which could penetrate 49.1 mm of flat plate at 100 metres. The LT-34 was the first tank built in Czechoslovakia in volume with 50 machines ordered by the government. In 1938 they were upgraded with the LT-38 engine. When the Germans invaded the tanks were given to Romania. The Praga 62hp petrol engine drove the tracks from the front sprocket under eight road wheels on two bogies to the rear idler then back over four return rollers. The turret similar in design to the LT-35 housed the 37mm gun. Armour Details Turret Front 15mm @ 10° (15mm) Side 15mm @ 14° (15mm) Rear 15mm @ 15° (16mm) Top 8mm @ 85° (8mm) Superstructure Front 15mm @ 17° (16mm) Side 12mm @ 0° (12mm) Rear 12mm @ 60° (24mm) Top 8mm @ 88° (8mm) Hull Front 15mm @ 30° (17mm) Side 12mm @ 0° (12mm) Rear 12mm @ 0° (12mm) Top 8mm @ 90° (8mm) Armour (x)mm @ (y)° (Effective mm @ 0°) Effective Armour - Maximum 24 mm - Minimum 8 mm Weapon Details Skoda 37mm P.U.V. vz34 L/39 (Tank Gun) Manufactured 1934 - 1938 Calibre 37mm Length L/39 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) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.27 0.57 1.23 1.97 2.79 3.68 4.63 Penetration(mm@30°) 42 40 35 27 21 17 13 10 Penetration(mm@0°) 49 46 41 32 25 20 16 12 Hit Probability(%) 79 79 76 71 55 30 12 6 37mm Tungsten Cored (AP40 Armour Piercing Tungsten Cored) 37mm 0.37Kg 1020M/Sec Quoted Penetration 59mm @ 100mtr/30° ( ? 68mm/0?) Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.1 0.2 0.42 0.88 1.4 1.96 2.56 3.21 Penetration(mm@30°) 57 54 49 41 34 29 24 20 Penetration(mm@0°) 66 63 58 48 40 34 28 23 Hit Probability(%) 79 79 79 74 66 55 30 20 About Penetration Figures All penetration figures in this database are calculated to a common standard based on German WWII testing criteria (complete penetration with functioning fuze). This allows direct comparison between all nations' guns. Original national test figures would be higher for some nations due to different criteria: German: 1.00? (baseline - strictest) British: 1.02? (slightly looser) American: 1.05? (50% mass through plate) Soviet: 1.10? (75% mass through plate) For example, a Soviet gun showing 159mm here would be published as ~175mm in Soviet documents, and a German gun showing 120mm would be published as 120mm in German documents. The 159mm figure is directly comparable to the German 120mm - the Soviet gun really was more powerful. National Testing Standards German: 1.00? - Complete penetration, fuze functions (strictest) British: 1.02? - Complete penetration American: 1.05? - 50% of shell mass through plate Soviet: 1.10? - 75% of shell mass through plate All database figures are normalized to German standard for direct comparison. Multiply by the factor above to see original national test figures.

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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