Italy Semovente da 75/46 su scafo di carro M43

Tweet The Semovente da 75/46 su scafo di carro M43 based on the existing fully tracked M13/40 and was in use from 1943. General Details 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 based on the existing fully tracked M13/40 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 105 mm of flat plate at 800 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 0.57 1.21 1.93 2.75 3.69 4.77 Penetration(mm@30°) 122 113 103 90 78 68 58 48 Penetration(mm@0°) 141 131 119 105 91 79 67 56 Hit Probability(%) 98 98 98 93 69 39 22 8

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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