Italy Semovente da 47/32 su scafo di carro L40

Tweet The Semovente da 47/32 su scafo di carro L40 based on the existing fully tracked M13/40 and was in use from 1942. General Details Specifications Operational Date(s) 1942 Quantity Produced 300 Weight 6.5 tonne Crew 3 M.G's small n/a M.G's large(>10mm) n/a Length 3.85 mtr Width 1.89 mtr Height 1.77 mtr Engine Details/Performance Max Road Speed 26 mph Max Cross Country Speed 14 mph Range Road 120 miles Range Cross Country 48 miles Fuel Type Petrol Fuel Capacity unknown Horse Power 68 hp Power/Weight 10 hp/tonne General Information The Semovente da 47/32 su scafo di carro L40 based on the existing fully tracked M13/40 and was in use from 1942. The vehicle was powered by FIAT-SPA 'SPA 18 VT I4' petrol powerplant producing 68 HP which could drive the vehicle on roads at up to 26 mph with a range of about 120 miles before refuelling. Its cross country performance was good providing a max speed of about 14 mph and a range of about 48 miles. Its main armament consisted of an Cannone contracarro da 47/39 M39 which could penetrate 61 mm of flat plate at 100 metres Armour Details Turret Front n/a Side n/a Rear n/a Top n/a Superstructure Front 30mm @ 15° (31mm) Side 15mm @ 15° (16mm) Rear 15mm @ 15° (16mm) Top 6mm @ 85° (6mm) Hull Front 30mm @ 15° (31mm) Side 15mm @ 15° (16mm) Rear 15mm @ 15° (16mm) Top 6mm @ 85° (6mm) Armour (x)mm @ (y)° (Effective mm @ 0°) Effective Armour - Maximum 31 mm - Minimum 6 mm Weapon Details Cannone contracarro da 47/39 M39 (Machine Gun) History This was the Austrian 4.7cm Bohler L/39 manufactured under licence, this was a slightly improved version and was used in all theatres till Italy surrendered. Manufactured 1939 - 1943 Calibre 47mm   Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content AP (AP Armor Piercing) 47mm 1.45Kg 670M/Sec Quoted Penetration 43mm@500m Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.15 0.31 0.65 1.44 2.41 3.63 5.2 7.33 Penetration(mm@30°) 52 48 42 35 29 23 18 13 Penetration(mm@0°) 61 56 49 41 34 27 21 16 Hit Probability(%) 98 98 98 88 48 22 6 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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