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Japan
Amphibious Tank Type 3 (KA-CHI) (KA-CHI)

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The Amphibious Tank Type 3 (KA-CHI) and was in use from 1943.

Flag of World War 2 Japan

General Details
Specifications
Operational Date(s)1943
Ordnance classification
Quantity Produced0
Weightunknown
Crew7
M.G's small2
M.G's large(>10mm)n/a
Length10.38 mtr
Width3.02 mtr
Height3.85 mtr
Engine Details/Performance
Max Road Speed7 mph
Max Cross Country Speedunknown
Range Road0 miles
Range Cross Countryunknown
Fuel TypeUnknown
Fuel Capacityunknown
Horse Power0 hp
Power/Weightunknown
General Information
The Amphibious Tank Type 3 (KA-CHI) and was in use from 1943.

It was armed with 2 light machine guns. Its main armament consisted of a 47mm Anti-tank Gun Type 1 which could penetrate 82 mm of flat plate at 100 metres


Armour Details
Turret
Front13mm@15°(13mm)
Side9mm@15°(9mm)
Rear9mm@15°(9mm)
Top9mm@90°(9mm)
Superstructure
Front13mm@45°(18mm)
Side11mm@(11mm)
Rear9mm@(9mm)
Top9mm@90°(9mm)
Hull
Front13mm@15°(13mm)
Side11mm@(11mm)
Rear9mm@(9mm)
Top9mm@90°(9mm)
Armour (x)mm @ (y)° (Effective mm @ 0°)
Effective Armour - Maximum 18 mm - Minimum 9 mm



Weapon Details
Flag
47mm Anti-tank Gun Type 1 Blank
Manufacturedunknown - 1945
Calibre47mm
 
Ammunition Details
Name/Id Calibre Weight MVelocity Explosive Content
AP
(AP Armor Piercing)
47mm 1.58Kg 824M/Sec
Quoted Penetration 51mm@915m
Range(Mtr)1002004008001200160020002400
Flight Time(Secs) 0.12 0.25 0.53 1.17 1.96 2.95 4.23 5.95
Penetration(mm@30°) 71 64 57 48 39 32 25 19
Penetration(mm@0°) 82 75 66 56 46 37 29 22
Hit Probability(%) 98 98 98 96 69 29 15 3

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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