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Italy
Semovente da 47/32 su scafo di carro L40

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The Semovente da 47/32 su scafo di carro L40 based on the existing fully tracked M13/40 and was in use from 1942.

Flag of World War 2 Italy
Photo of Semovente da 47/32 su scafo di carro L40
Semovente da 47/32 su scafo di carro L40 scale illustration

General Details
Specifications
Operational Date(s)1942
Quantity Produced300
Weight6.5 tonne
Crew3
M.G's smalln/a
M.G's large(>10mm)n/a
Length3.85 mtr
Width1.89 mtr
Height1.77 mtr
Engine Details/Performance
Max Road Speed26 mph
Max Cross Country Speed14 mph
Range Road120 miles
Range Cross Country48 miles
Fuel TypePetrol
Fuel Capacityunknown
Horse Power68 hp
Power/Weight10 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
Frontn/a
Siden/a
Rearn/a
Topn/a
Superstructure
Front30mm@15°(31mm)
Side15mm@15°(16mm)
Rear15mm@15°(16mm)
Top6mm@85°(6mm)
Hull
Front30mm@15°(31mm)
Side15mm@15°(16mm)
Rear15mm@15°(16mm)
Top6mm@85°(6mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 31 mm - Minimum 6 mm



Weapon Details
Flag
Cannone contracarro da 47/39 M39
(Machine Gun)
Blank
photo of Cannone contracarro da 47/39 M39 from Wikipedia
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.
Manufactured1939 - 1943
Calibre47mm
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
AP
(AP Armor Piercing)
47mm 1.45Kg 670M/Sec
Quoted Penetration 43mm@500m
Range(Mtr)1002004008001200160020002400
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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