Italy Semovente da 149/40 su scafo di carro M41

Tweet The Semovente da 149/40 su scafo di carro M41 was designed in 1942, manufactured by Fiat-Ansaldo based on the existing fully tracked P40 and was in use from 1942 to 1943. Photo provided by Wikimedia Commons General Details Specifications Operational Date(s) 1942 - 1943 Quantity Produced 1 Weight 24 tonne Crew 4 M.G's small n/a M.G's large(>10mm) n/a Length 5.33 mtr Width 2.26 mtr Height 2.31 mtr Engine Details/Performance Max Road Speed 20 mph Max Cross Country Speed 11 mph Range Road 0 miles Range Cross Country unknown Fuel Type Petrol Fuel Capacity unknown Horse Power 250 hp Power/Weight 10 hp/tonne General Information The Semovente da 149/40 su scafo di carro M41 was designed in 1942, manufactured by Fiat-Ansaldo based on the existing fully tracked P40 and was in use from 1942 to 1943. The vehicle was powered by FIAT-SPA 'SPA petrol' petrol powerplant producing 250 HP which could drive the vehicle on roads at up to 20 mph with a range of about 0 miles before refuelling. Its cross country performance was good providing a max speed of about 11 mph and a range of about 0 miles. Its main armament consisted of an Cannone contracarro da 149/40 M35 which could penetrate 388 mm of flat plate at 200 metres The Semovente 149/40 was a self propelled gun redesigned from the P40 chassis. The vehicle was powered by a Fiat petrol engine of 240hp the front drive sprockets took the track under eight road wheels on two bogies, round the rear idler and back via three return rollers. The gun was a 149mm L/40 howitzer mounted in a box shaped superstructure. Armour Details Turret Front n/a Side n/a Rear n/a Top n/a Superstructure Front 30mm @ 11° (31mm) Side 25mm @ 9° (25mm) Rear 25mm @ 0° (25mm) Top 15mm @ 90° (15mm) Hull Front 30mm @ 45° (42mm) Side 25mm @ 0° (25mm) Rear 25mm @ 9° (25mm) Top 15mm @ 90° (15mm) Armour (x)mm @ (y)° (Effective mm @ 0°) Effective Armour - Maximum 42 mm - Minimum 15 mm Weapon Details Cannone contracarro da 149/40 M35 Calibre 149mm   Ammunition Details Name/Id Calibre Weight MVelocity Explosive Content AP (AP Armor Piercing) 149mm 50.8Kg 800M/Sec Range(Mtr) 100 200 400 800 1200 1600 2000 2400 Flight Time(Secs) 0.13 0.25 0.51 1.06 1.63 2.24 2.89 3.58 Penetration(mm@30°) 353 336 316 293 271 250 229 209 Penetration(mm@0°) 408 388 366 339 313 289 265 242 Hit Probability(%) 98 98 98 98 81 57 34 22

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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