The Semovente da 75/46 su scafo di carro M43, it was based on the fully tracked M13/40 chassis and was in use from 1943. General Details (SP Anti Tank) Specifications Operational Date(s) 1943 Quantity Produced 15 Weight 15.7 tonne Crew 3 M.G's small 1 M.G's large(>10mm) n/a Length 5.15 mtr Width 2.49 mtr Height 1.77 mtr Engine Details/Performance Max Road Speed 22 mph Max Cross Country Speed 12 mph Range Road 112 miles Range Cross Country 44 miles Fuel Type Diesel Fuel Capacity unknown Horse Power 170 hp Power/Weight 10 hp/tonne General Information The Semovente da 75/46 su scafo di carro M43, it was based on the fully tracked M13/40 chassis and was in use from 1943. The vehicle was powered by FIAT-SPA '15TB M-15 diesel V8' diesel powerplant producing 170 HP which could drive the vehicle on roads at up to 22 mph with a range of about 112 miles before refuelling. Its cross country performance was good providing a max speed of about 12 mph and a range of about 44 miles. It was armed with 1 light machine gun. Its main armament consisted of an Cannone contracarro da 75/46 which could penetrate 123.4 mm of flat plate at 400 metres. Armour Details Turret Front n/a Side n/a Rear n/a Top n/a Superstructure Front 75mm @ 0° (75mm) Side 45mm @ 15° (47mm) Rear 25mm @ 0° (25mm) Top 15mm @ 88° (15mm) Hull Front 50mm @ 45° (71mm) Side 25mm @ 0° (25mm) Rear 25mm @ 14° (26mm) Top 15mm @ 90° (15mm) Armour (x)mm @ (y)° (Effective mm @ 0°) Effective Armour - Maximum 75 mm - Minimum 15 mm Weapon Details Cannone contracarro da 75/46 Manufactured unknown - 1942 Calibre 75mm Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content AP (AP Armor Piercing) 75mm 6.8Kg 740M/Sec Quoted Penetration 91mm@500m Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.14 0.28 0.56 1.17 1.83 2.53 3.28 4.07 Penetration(mm@30°) 117 113 106 94 83 73 65 57 Penetration(mm@0°) 135 131 123 109 96 85 75 67 Hit Probability(%) 93 93 90 83 64 35 23 8 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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